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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

User Mazzaroth
by
8.5k points

2 Answers

2 votes

Answer:

224π

in²

Explanation:

User Polochon
by
8.2k points
0 votes

Answer:

703.7 in²

Explanation:

SA = 2πrh+2πr²

= 2×π×7×9+2×π×7²

= 224π

= 703.7 in² (rounded to the nearest tenth)

User Saulpower
by
8.7k points
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