SurfacesOfCones

# SurfacesOfCones - Below is an example of a cylinder with a...

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Math 2023 1 Surface Areas of Cones and Cylinders The surface area of a three-dimensional solid is the ________ of all the __________________ _________________ of the solid. Generally, we “unfold” the solid into a two-dimensional picture called a _________. For the cone and cylinder, knowing the formula is usually easier. Shape Picture Surface Area Formula Right Cylinder Right Cone Note: The slant height is used to find the surface area, NOT the height of the cone Let’s make sense of the cylinder formula.

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Unformatted text preview: Below is an example of a cylinder with a possible net for the cylinder. Notice, the net is a rectangle and two circles. The rectangle’s height is the height of the cylinder. The rectangle’s length is the perimeter of one of the circles. Math 2023 2 Practice Problems Find the surface area of each solid. Round your answers to two decimal places. a) b) c) d) e) Hint: Use the Pythagorean Theorem. f) Hint: Use the Pythagorean Theorem. 18 yd 24 yd 6 ft 2 ft 6 m 10 m 12 cm 4 cm 3 ft 4 ft 12 mm 5 mm...
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## This note was uploaded on 09/16/2011 for the course MATH 2023 taught by Professor Staff during the Fall '10 term at University of Central Oklahoma.

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SurfacesOfCones - Below is an example of a cylinder with a...

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