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Schach [20]
1 year ago
6

Find the surface area of a cylinder with height of 8 feet and base diameter of 6 feet

Mathematics
2 answers:
Minchanka [31]1 year ago
5 0
The answer is A≈207.35ft²
PSYCHO15rus [73]1 year ago
5 0

Answer:

66\pi ft²

Step-by-step explanation:

First find the area of the rectangle surrounding the cylinder.

Since the base diameter is 6 feet, the circumference =\pi d=6\pi.

Since the height is 8 feet, the area of the rectangle is 6\pi\times8 or 48\pi

Now the area of the base circle =\pi r^2 = \pi\times\frac{1}{4}d^2=9\pi

There are 2 base circles, so 9\pi\times2=18\pi

Surface area = 18\pi+48\pi=66\pi ft²

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