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erma4kov [3.2K]
3 years ago
10

Find the radius of this circle. A = ar2 r = [?] ft A = 9aft?

Mathematics
1 answer:
Sergeu [11.5K]3 years ago
6 0

Answer:

A = \pi . r^2

If A = 9\pift^2

\pi . r^2 = 9\pift^2

r^2 = 9ft^2

r = sqrt(9ft^2)

r = 3ft ( r>0)

Step-by-step explanation:

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