3 years ago

What is the surface area of a cylinder with a radius of 7 and a height of 32

1 answer:

8 0

Area of circle= 7^2×pi
2 (49pi)=98pi
98pi x 32=3136pi

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Shtirlitz [24]

Answer:

$area = 2.54 {ft}^{2}$

Step-by-step explanation:

The formula to find the area of a circle is

$area \: of \: circle \: = \pi {r}^{2}$

Let pi be (3.14), the radios as given in the question is (0.9). Therefore;

$\pi {r}^{2} = \\ (3.14) \: {(0.9)}^{2} \\ 3.14 \times 0.81 = \\ 2.5434 \: or \: 2.54 {ft}^{2}$

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