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Unformatted text preview: 2 S.A. = 49(6) S.A. = 294 in 2 Surface Area of a Cylinder • A cylinder consists of two circle bases and one rectangular side. • The length of the rectangle is equal to the circumference of the circle. • Find the area of the circles and add it to the area of the rectangle. Example 5 m 16 m Area of the circles A = π r 2 A = 3.14(5 2 ) A = 3.14 (25) A = 78.5 m 2 2 circles: 78.5 x 2 = 157 m 2 Rectangle The width of the rectangle is the height of the cylinder (16 m). The length of the rectangle is the circumference of the circle. C = 2 π r C = 2(3.14)(5) C = 31.4 m A = lw A = 31.4(16) A = 502.4 m 2 Put the areas together: S.A. = 157 m 2 + 502.4 m 2 S.A. = 659.4 m 2 Homework Time...
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 Fall '08
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 Rectangle, in2, Prism

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