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Ilya [14]
3 years ago
6

The area of a trampoline is 49 pi sqared. What's the diameter of the trampoline?

Mathematics
1 answer:
Flauer [41]3 years ago
7 0

Answer:

The diameter is 14

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

We know the area is 49 pi

49 pi = pi r^2

Divide each side by pi

49 pi/ pi = pi r^2/pi

49 = r^2

Take the square root of each side

sqrt(49) = sqrt(r^2)

7 =r

We want the diameter

d = 2r

d = 2*7

d = 14

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