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Lateral surface area of cylinder

Ex 11

Lateral Surface Area Of A Cylinder. As mentioned above, there is also the lateral surface area of an object. The lateral surface of an object is defined as the area of all the sides of the object, excluding the area of its base and top. For a cylinder, the lateral surace area is the curved surface that connects the base and the top S = Lateral Surface Area of a Cylinder r = Radius h = Height Related Calculator Learn how to find the lateral area, surface area and volume of a cylinder in this math tutorial by Mario's Math Tutoring. We go through where the formulas c.. Use the formula S=2(pi)rh to find the lateral surface area of cylinders. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new.

Surface Area Of A Cylinder Formula & Lateral Surface Are

  1. It is also called as Lateral surface area (LSA). The CSA of cylinder having its base radius 'r' and height 'h' is given by: Curved surface area (CSA) of cylinder = 2πrh sq. units. Total Surface Area (TSA) of Cylinder. The total surface area of cylinder is defined as the sum of areas of its curved surface and two circular bases
  2. Lateral surface area (or curved surface area) of a cylinder is the area of the curved surface that connects the base and the top. Curved surface area of a right circular cylinder of radius 'r' and height 'h' is given by 2 π r h
  3. Want to know how the find the lateral and surface areas of a cylinder? Then this tutorial was made for you! You'll see how to apply each formula to the given information to find the lateral area and surface area. Check it out
  4. Lateral surface area = Area of the curved surface = 2 π r h = 2 × 7 2 2 × 7 m × 9 m = 3 9 6 m 2 Total surface area = Area of curved surface + Area of two circular surfaces = 2 π r h + 2 π r 2 = 3 9 6 m 2 + 2 × 7 2 2 × 7 m × 7 m = (3 9 6 + 3 0 8) m 2 = 7 0 4 m
  5. Find the lateral surface area of right circular cylinder, if its base has a radius of 3.5cm. and its height is 10cm. Solution: Formula for lateral surface area of a curved surface = 2* pi * r * h. Here given that, r = 3.5cm. and h = 10cm. Curved surface area = 2 * 22/7 * 3.5 * 10 = 220 Sq. cm
  6. surface area of the hexagonal pyramid=2*area of base+lateral area surface area of the hexagonal pyramid=2*29+210> 268 in² the answer part 2) is surface area=268 in² Part 3) What is the surface area of the following cylinder in square inches? Use π = 3.14 and round your answer to the nearest tenth. Radius = 3.2 Height = 4.1 we know that.
  7. Lateral surface area of hollow cylinder is defined as the area of only curved surface, leaving the circular top and base. Total Surface Area- It is the area of the curved surface as well as the bases. Consider a cylinder having a height 'h' and base radius 'r'. is calculated using surface_area = 2* pi * Height *(Radius 1 + Radius 2)

Lateral Surface Area of a Cylinder Formula - Area

  1. Lateral surface area of a solid is the measurement of outer area,where the extension of top and bottom portion wont be included. If a rectangle revolves about one side and completes one full rotation, the solid thus formed is called a right circular cylinder
  2. Lateral Surface Area of a Cylinder. As stated before, the area of the curved surface of a cylinder is what is termed as the lateral surface area. In simple words, a cylinder's lateral surface area is the surface area of a cylinder, excluding the area of the base and bottom (circular surface). The formula gives the lateral surface area of a cylinder
  3. Mensuration. 542. 150. The lateral surface area of a hollow cylinder is 4224 cm2. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of the rectangular sheet? 542. 150
  4. The Surface Area of Cylinder = Curved Surface + Area of Circular bases. S.A. (in terms of π) = 2πr (h + r) sq.unit. Where, π (Pi) = 3.142 or = 22/7. r is the radius of the cylinder. h height of the cylinder. As we know, a cylinder has two types of surfaces, one is the curved surface and the other is the circular base
  5. The Lateral Surface Area (L),for a cylinder is: \(L = C \times h = 2 \pi r h\), therefore, \(L_{1} = 2 \pi r_{1} h\), the external curved surface area \(L_{2} = 2 \pi r_{2} h\), the internal curved surface area. Thus Lateral Surface Area of a hollow cylinder = \(L = 2 \pi r_{1} h + 2 \pi r_{2} h\) Cross sectional Area
  6. To use this online calculator for Surface area of Half Cylinder-Given Lateral surface area & Missing Height, enter Radius (r) and Lateral Surface Area (SA Lateral) and hit the calculate button. Here is how the Surface area of Half Cylinder-Given Lateral surface area & Missing Height calculation can be explained with given input values -> 379.

Cylinder Lateral Area, Surface Area and Volume - YouTub

Ex 11.3, 8 The lateral surface area of a hollow cylinder is 4224〖 〗^2. It is cut along its height and formed a rectangular sheet of width 33 cm. Find the perimeter of rectangular sheet? Given that Hollow cylinder is converted into a rectangular sheet So, Area of cylinder and sheet must be th Surface area of a cylinder : To find the surface area of a cylinder add curved (lateral) surface area and area of both bases. Area of both bases - Each base is a circle so the area of each base is πr², where r is the radius of the base. There are two bases so their combined surface area is 2 X πr² Tag: lateral surface area of cylinder Complete Lesson on Area of Cylinder. Before we delve into the surface area of a cylinder, let's evaluate a cylinder. A cylindrical tube is a three-dimensional figure with two circular bases Roy — June 12, 2021. 83 Views 0 comments. 1 Answer1. Split the surface into pieces and calculate each individually then add: For the bottom, we clearly have a circle of radius 2 on the x y plane. So the surface area there is 4 π. For the surface area of top, we have a plane. That plane being z = 6 − 1 x − 2 y. Suppose we move in the x direction one unit on the plane without moving. Solve for the total surface area of the truncated square prism by summing up all areas. TSA = A UPPER + A LOWER + LSA TSA = 72√5 + 144 + 240 + 204 + 168 + 20

Lateral Surface Area of Cylinders - YouTub

Surface Area Cylinder (solutions, examples, worksheets

The lateral area of a cylinder is the area of the rectangle which wraps around the side of the cylinder. Therefore formula of the surface area of the cylinder is mentioned below: L.S.A = 2 * π * r * h. Where π = 22/7 or 3.14, r = radius of a cylinder, and h is the height of a cylinder. (Image will be uploaded soon By factoring 2πr from each term we can simplify the formula to: A = 2πr (r + h) The lateral surface area of a cylinder is simply given by: LSA = 2πr × h. Example 1: Find the surface area of a cylinder with a radius of 4 cm, and a height of 3 cm. Solution: SA = 2 × π × r2 + 2 × π × r × h. SA = 2 × 3.14 × 42 + 2 × 3.14 × 4 × 3

Theorem 11-2 Lateral and Surface Areas of a Cylinder Ihe lateral area of a right cylinder is the product of the circumference of the base and the height of the cylinder. L.A. 21tr h, or L.A. = ltdh Ihe surface area of a right cylinder is the sum of the lateral area and the areas of the two bases. S.A. = L.A. + 2B, or S.A. = 21trh + 21tr The lateral area of a cylinder is 508.4 square inches and the radius is 10 in. Find the height of the cylinder How many times will the area of the lateral surface of the cylinder increase if its height is reduced by 3 times, and the radius is increased by 6 times. Let the radius of the first cylinder be OA = R1 cm, and the height AB = h1 cm. Then the area of the lateral surface of the original cylinder is equal to: S1 side = 2 * π * R1 * h1 The surface area of a cylinder can be found by breaking it down into three parts: The two circles that make up the ends of the cylinder. The side of the cylinder, which when unrolled is a rectangle; Combining these parts we get the formula: where: π is Pi, approximately 3.142 r is the radius of the cylinder h height of the cylinder The difference between the outer lateral surface area and inner lateral surface area of a cylindrical metal pipe 28 cm long is 176 cm². Find the outer and the inner radii of the pipe, if the pipe is made of 352 cm³ of metal. Explain with complete calculations & justifications. Points : 20

So my textbook has a challenge problem where it asks to find the surface area of a figure using line integrals. However, I'm not quite sure how it would be accomplished. The lateral surface area is the line integral over your given curve, Lots of doubts abot the surface area of a cylinder. 1. Surface area using line integrals. 0 Lateral Surface Area Formulas. Lateral surface area of a cube = 4b 2 ~ b is base Lateral surface area of a sphere is 4πr 2 ~ π is pi, r is radius Lateral surface area of a cone = π × r × l ~ π is pi, r is radius, l is slant height Lateral surface area of a cylinder = 2πrh ~ π is pi, r is radius, h is heigh If a right cylinder has radius r and height h, write an expression that represents the lateral area. math. The formula for the surface area of a cylinder is A=2πr^2+2πrh. (A)Solve for r and simplify the result, if possible. (B) If the surface area of a cylinder is 100 square feet and the height is 40 inches, what is the radius of th 1) Find the lateral surface area of right circular cylinder, if its base has a radius of 14cm and its height is 15cm

Surface Area of Cylinder - Introduction, Formulae

If h = 7 cm and r=2 cm, find the lateral surface area of a cylinder. Answer: =2× ×2×7= 88 cm 3. Question 6: What is the total area of circular faces of a cylinder ? Answer: Question 7: What will be the curved surface area of a cylinder if its height is 3 times of its radius ? Answer Calculator online for a the surface area of a capsule, cone, conical frustum, cube, cylinder, hemisphere, square pyramid, rectangular prism, triangular prism, sphere, or spherical cap. Calculate the unknown defining side lengths, circumferences, volumes or radii of a various geometric shapes with any 2 known variables. Online calculators and formulas for a surface area and other geometry problems Ex 13.6, 4 If the lateral surface of a cylinder is 94.2 cm2 and its height is 5 cm, then find radius of its base (Assume π = 3.14 ) Let radius of cyl. In conclusion, we are looking for literature in this area as well as possible assumptions that are (1) broad enough to include most generalized cylinders and (2) general enough to provide a desired lower bound on the surface area. [1]: We define a generalized cylinder as a solid with a 3d curve as its axis (also called skeleton)

Surface and Lateral Areas of Prisms and Cylinders. Vary the dimensions of a prism or cylinder and investigate how the surface area changes. Use the dynamic net of the solid to compute the lateral area and the surface area of the solid. 5 Minute Preview. Use for 5 minutes a day Solution: Lateral surface area of hollow cylinder = 4224 cm^2. Height of hollow cylinder, h = 33 cm and say r be the radius of the hollow cylinder. Curved surface area of hollow cylinder = 2 π r h. 4224 = 2 x π x r x 33. r = (4224 )/ ( 2 π x 33 ) r = 64 / π. Now, Length of rectangular sheet, l = 2 π r A cuboid has three measures Total surface area, Lateral surface area, and volume. The surface areas are measured in square units. Total Surface Area of a Cuboid . The Total Surface Area of a cuboid is the sum of its 6 rectangular faces, given by . 2 (lw + wh + lh) l = length, w = width, h = height. Lateral Surface Area of a Cuboi The curved surface area of a right circular cylinder of height 14 c m is 88 c m 2. Find the diameter of the base of the cylinder. Find the diameter of the base of the cylinder. The radius of a spherical balloon increases from 7 c m to 14 c m as air is being pumped into it Lateral surface area of the cylinder (L.S.A) can also be calculated using the formula: π × d × h Where d = diameter of the cylinder. Since an image of the cylinder that accompanied the question is not visible at this time, we can assume that the height of the cylinder is 80 inches

Once you add the area of the two bases and the outer surface area, you will have found the surface area of the cylinder. All you have to do is add 56.52 cm 2, the area of both bases, and the outer surface area, 94.2 cm 2. 56.52 cm 2 + 94.2 cm 2 = 150.72 cm 2 Vary the dimensions of a prism or cylinder and investigate how the surface area changes. Use the dynamic net of the solid to compute the lateral area and the surface area of the solid. Full Lesson Inf Lateral area is the surface area minus the area of the bases. The lateral area consists of only the area of the lateral faces of a prism. Volume of a prism: V=Bh where B is the area of the base and h is the height. Right Cylinder Surface area of a right cylinder: S=2B+Ch or S=2πr2+2πrh where S is the total surface Its not always. Lets consider a situation where a cylinder surrounds sphere as shown in figure- Only in this situation, when height of cylinder equals its diametre (and so the sphere's), the surface areas will be equal. Lets take diametre of spher..

The surface area of a cylinder is nothing but the sum of the areas of its curved surface and two circular bases. In terms of formula, it's something like this: 2πrh + πr 2 + πr 2.Make spectacular headway in calculating the surface area of cylinders with this set of printable worksheets for grade 6, grade 7, and grade 8 Surface area is a two-dimensional property of a three-dimensional figure. Cylinders are similar to prisms in that they have congruent, parallel bases, except cylinders have circles as their bases. To conceptualize surface area of cylinders, we can imagine that the lateral area of a cylinder can be unrolled into a rectangle with one side. In mathematics, the lateral area is defined as the surface area, less the area of any bases. Lateral Area of a Cylinder = Circumference of Base (Height) =2pi (r) (h) =2pi (5) (12) =120 pi units2.

The formula for lateral surface area of a cylinder of

To calculate the surface area of a cylinder, you can use the standard geometric formula based on the PI function together with the exponent operator (^). In the example shown, the formula in D5, copied down, is: = 2 * PI() * B5 * C5 + 2 * PI() * B5 ^ 2. which returns the surface area of a cylinder with the radius given in column B and the. Surface Area of a Right Prism. Theorem : The surface area S of a right prism can be found using the formula . S = 2B + Ph. where B is the area of a base, P is the perimeter of a base, and h is the height. Finding the Surface Area of a Cylinder. A cylinder is a solid with congruent circular bases that lie in parallel planes

= Lateral Surface Area + 2 × (Area of the Cross Section) = 2πrh + 2πr 2 = 2πr(h + r) Solved Examples on Volume and Surface Area of Right Circular Cylinders: 1. The radius of the base of a solid right circular cylinder is 7 cm and its height is 20 cm. Find its (i) volume, (ii) curved surface area, and (iii) total surface area. Solution The ratio of the total surface area to lateral surface area of a cylinder, whose radius is 80 cm and height is 20 cm, is: A. 3 : 1. B. 2 : 1. C. 4 : 1. D. 5 : 1 7. If the areas of the. The surface area of a cone may also be split into two parts: A = A(lateral) + A(base), as we have only one base, in contrast to a cylinder. The base is again the area of a circle A(base) = π * r², but the lateral surface area origins may be not so obvious: A(lateral) = π * r * √(r² + h² The surface area of a figure is the sum of the area of all surfaces of a figure. Surface Area is often abbreviated S.A. The surface area of a prism or cylinder is the lateral area plus the area of each base. Since the bases for a prism or cylinder are congruent, this is often expressed as twice the area of the base Chapter 12 Review Sheet: Surface Area & Volume. For Students 9th - 10th. In this review sheet, students calculate the surface area, lateral surface area, and volume of three-dimensional figures. This one-page worksheet contains 18 multi-step problems

How Do You Find the Lateral and Surface Areas of a Cylinder

The Total Area includes the area of the circular top and base, as well as the curved surface area. Surface Area of Cylinder ? The Surface Area is number of square units it takes to exactly cover the surface of a cylinder Calculate the lateral area: Find the area of the entire cylinder: Thus, the total surface area is or approximately 854.08 square units. Surface Area of a Cylinder Using a Formula You have seen how to use nets to find the total surface area of a cylinder. The postulate can be broken down to create a general formula for all right cylinders Let r and h be the radius and height of cylinder respectively. The, its lateral surface area is 2πrh = 220 cm 2 and total surface area is 2πrh + 2πr 2 = 297 cm 2 ⇒ 220 + 2π r 2 = 297 ⇒ 2 π r 2 = 77 ⇒ r = 7/2 cm. ∴ 2π (7/2)h = 220 ⇒ h = 10 cm. Download Question With Solution PDF ›

Find the volume of the right cone. Circumference, Area, and Volume. Surface Areas and Volumes of Cones. 00:50. Geometry A Common Core Curriculum. A snack stand serves a small order of popcorn in a cone-shaped container and a large order of popcorn in a cylindrical container. Do not perform any calculations. a Calculate the lateral surface area of the cylinder below rounded to one decimal place. Q5: Find the diameter of the base of a cylinder if the lateral surface area is 4 3 4 square centimeters and the height is 31 centimeters

The surface area of a solid object is a measure of the total area that the surface of the object occupies. The mathematical definition of surface area in the presence of curved surfaces is considerably more involved than the definition of arc length of one-dimensional curves, or of the surface area for polyhedra (i.e., objects with flat polygonal faces), for which the surface area is the sum. Surface Area Of A Cylinder Formula The formula for the surface area of a cylinder is: In this formula, a, is the total surface area, r is the radius of the circles at both ends, h is the height, and π is the irrational number that we simplify and shorten to 3.141595, or even shorter, 3.14 Lateral Area for Cylinder The Curved or lateral Surface Area of a Cylinder is given by 2 × π × r × h where, r = base radius, and h = height of the cylinder. The total surface area of a Cylinder is given by 2πr × (r + h)

To find : Lateral and surface area of cylinder. check_circle. Expert Solution. Answer to Problem 1GP. Lateral surface area = 1491.5 mm 2 and Surface Area = 2058.27. The lateral surface area of a cylinder is 616 cm 2 The height of the cylinder is 14 cm. Formula used: Lateral surface area of cylinder is 2πrh. Volume of cylinder is πr 2 h. Where, r is Radius and h is Height. Calculations: The Lateral surface area of the cylinder is 616cm 2. 2πrh = 616 ⇒ 2 × (22/7) × r × 14 = 616 ⇒ r = (616 × 7)/2.

Find the lateral surface area and the total surface area

Formula of Curved Surface Area of Right Circular Cylinder: Curved Surface Area of Right Circular Cylinder = 2Πrh Now Let's understand that how we get this formula: As explained above - The curved surface joining the two bases of right circular cylinder is called its Lateral Surface Area. So Lateral Surface area has two main components curved. 264 Chapter 6 Surface Areas of Solids 6.3 Lesson Area, A = πr2 Circumference, C = 2πr Radius, r The diagram reviews some important facts for circles. Surface Area of a Cylinder Words The surface area S of a cylinder is the sum of the areas of the bases and the lateral surface. Algebra =S 2π r 2 + 2π rh Area of And the lateral surface area would be the soup can label, again excluding the lid and the bottom. So if we would imagine peeling off the label from the soup can, and this label is a rectangle, length times width, that is our lateral surface area formula for the cylinder. And this is because, again, it's a rectangle. Now in the rectangle, the. .The lateral surface area of a hollow cylinder is 504cm2. It is cut along its height and formed a rectangular sheet of width 14cm. Find the perimeter of the rectangular sheet area of paper required will be equal to lateral surface area of cylinder as paper will cover lateral surface space only lateral surface area of cylinder is expressed by formula = 2 * π * r * h where is r and h is radius and height of cylinder respectively. substituting the given value of r and h in formula of lateral surface area of cylinder.

Answers: The area of a label is equal to the lateral area of the can. The base has a diameter of 3 inches, and the height is 5 inches. Our formula for the lateral area of a cylinder gives π (3. Find the surface area of these prisms: Mar 3­7:04 AM Cylinders: Cylinder:2 parallel, congruent, circular bases (Cylinders also have an altitude, height, and bases similar to a prism.) Lateral Area: area of the rectangle that connects the bases Surface Area: sum of the lateral area and the 2 circular bases L.A.=2πrh or L.A.=dπh S.A.=LA+2B o To Calculate all the properties of Cylinder this calculator is helpfull.Using the following formula :-. Volume of a cylinder : V = p r 2 h. Where. V = Volume. r = radius. h = height. Lateral surface area of a cylinder: L = 2 p rh

Lateral Surface Area of a Cylinder - High School

The Ratio of the Total Surface Area to the Lateral Surface Area of a Cylinder with Base Radius 80 Cm and Height 20 Cm is . CBSE CBSE (English Medium) Class 10. Question Papers 886. Textbook Solutions 17528. Important Solutions 3111. Question Bank Solutions 20334. Concept. Find the lateral area and the surface area of the cylinder. Like always, we'll use our handy dandy surface area formula, SA = L + 2B. In our case, the lateral area equals 2πrh and each base is the area of a circle, πr 2. That's a lot of pi. SA = 2πrh + 2(πr 2) Substituting in the values we know, we get: SA = 2π(1.2 in)(7.3 in) + 2π(1.2 in)

Video: Lateral surface area of a cylinder that has a radius of 6

Cylindrical Tank. The surface area of a closed cylinder can be calculated by summing the total areas of its base and lateral surface: base SA = 2πr 2 lateral SA = 2πrh total SA = 2πr(r + h) where r is the radius and h is the height. Jeremy has a large cylindrical fish tank that he bathes in because he doesn't like showers or bathtubs Total surface area of a closed cylinder is: A = L + T + B = 2 π rh + 2(π r 2) = 2 π r(h+r) ** The area calculated is only the lateral surface of the outer cylinder wall. To calculate the total surface area you will need to also calculate the area of the top and bottom Thus, the lateral surface area of a cylinder is 2 * π * r * h. Now, you need to calculate the base surface area, so you must compute the area of a circle with the radius r and multiply it two because that every cylinder has two bases. Thus, the base area of a cylinder is 2 * π * r 2

The lateral surface area of a cylinder of length 14 m is 220 m 2. Find the volume of the cylinder. Find the volume of the cylinder. Please scroll down to see the correct answer and solution guide The step by step workout for how to find what is the volume, surface area or lateral surface of a cylinder. Students may use this cylinder calculator to generate work with steps for any other similar input values. Workout : step 1 Address the formula, input parameters and values Radius = 3 i Curved (Lateral) Surface Area = (2πrh) sq. units. Total Surface Area = Curved Surface Area + Area of two circular ends = (2πrh + 2πr2) sq. units. = [2πr(h + r)] sq. units. Volume of cylinder = πr2h cubic units. ˜e above formulae are applicable to solid cylinders only. 4.1 Hollow Right Circular Cylinders

How to Find the Surface Area of a Cylinder - YouTubeCircumference, Area, and Volume | SystryCalculate VOLUME AND SURFACE AREA - YouTube

Find the lateral surface area of a cylinder whose radius is 1.2 mm and whose height is 2 mm. Round to the nearest tenth. LSA = [?] mm2 Answers: 3 Get Other questions on the subject: Mathematics. Mathematics, 21.06.2019 15:30, reagriffis24. What is the domain and range of each function 1. x (3, 5, 7, 8, 11) y ( 6, 7, 7, 9, 14) 2. x (-3, -1, 2, 5. Surface Areas And Volumes. 506. 150. Find (i) the lateral or curved surface area of a closed cylindrical petrol storage tank that is4.2 m in diameter and 4.5 m high. (ii) how much steel was actually used, if 121. . of the steel actually used was wasted in making the tank. Solution: Solution: 1)CSA=2πrh. =2 ⋅ 722

h = a sin x. Lateral or Curved surface area of a Oblique Cylinder ( Aa ) Aa = 2 π r a. Total Surface Area of Oblique cylinder ( As ) Total Surface Area of Cylinder = 2 π r ( r + a) Volume of Oblique Cylinder is the same as for the Right circular cylinder. Volume of a Oblique Cylinder = π r2 h = π r2 a sin x Directions: Find the lateral area. Round to the nearest tenth if necessary. 1) 2) Directions: Find the lateral area. Leave in terms of è and round to the nearest tenth. 3) 4) Directions: Find the surface area. Round to the nearest tenth if necessary. 5) 6) 7) 8 The Height of a Cylinder from Surface Area calculator computes the height of a cylinder based on the total surface area of a cylinder including its ends and the radius.Right Cylinder Cylinder Height from the Surface Area Choose units Enter the radius (r) of the cylinder

Area of A Hollow Cylinder - Total Surface Area & Lateral3Surface Area Worksheets

The cylinder is 12 cm tall with a radius of 1.5 cm, and the cone has a slant height of 2 cm and a radius of 1 cm. The lateral area of the cone is ____π cm^2. To wrap paper around the entire lateral surface of the cylinder, ____π cm^2 of paper is needed. The surface area, including the bottom base of the crayon, is ____π cm^2 The area of a circular base of a cylinder is cm 2 and its height is 5 cm. Find the lateral surface area and .total surface area of the cylinder. (a) 8 cm 2 ,10 cm 2 (b) 10 cm 2 , 12 cm Surface Area = Lateral Area + 2 (Base Area) = 1256.64 sq in + 2 (201.06 sq in) = 1256.64 sq in + 402.12 sq in = 1658.76 square inches ----- search strategy: cylinder surface area I hope this helps. torrey2-ga rated this answer To calculate the surface area of a cylinder, you can use the standard geometric formula based on the PI function together with the exponent operator (^). In the example shown, the formula in D5, copied down, is: = 2 * PI() * B5 * C5 + 2 * PI() * B5 ^ 2. which returns the surface area of a cylinder with the radius given in column B and the.