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Aleksandr [31]
3 years ago
14

Circle A has an area of 500 in.². The diameter of the circle B is three times the diameter of Circle A. Estimate the area of cir

cle B.
Mathematics
1 answer:
iren2701 [21]3 years ago
7 0
R^2π=500in^2
r^2=500 in^2/π
r=(500 in^2/π)^(1/2)= 12.62 in
plug it in:
db=3da=3(2(12.62))= 75.69
r of b = 75.69/2=37.85in
A of b = (37.85in)^2π = 8.22 in^2



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