Where r is the radius of the cylinder and h is the height of the cylinder. Find the surface area when r is 7 inches and h is 9 inches. Sa of cylinder= 2(pi)rh + 2(pi)r squared

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asked Oct 9, 2022 114k views

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Where r is the radius of the cylinder and h is the height of the cylinder.

Find the surface area when r is 7 inches and h is 9 inches.

Sa of cylinder= 2(pi)rh + 2(pi)r squared

Mathematics
college

Mazzaroth asked

by Mazzaroth

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2 Answers

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Answer:

224π

in²

Explanation:

Polochon answered Oct 10, 2022

by Polochon

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Answer:

703.7 in²

Explanation:

SA = 2πrh+2πr²

= 2×π×7×9+2×π×7²

= 224π

= 703.7 in² (rounded to the nearest tenth)

Saulpower answered Oct 14, 2022

by Saulpower

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