Asked by Anonymous
The figure consists of two circles that have the same center. If the shaded area is 64 pi square inches and the smaller circle has stadiums of 6 inches, what is the radius, in inches, of the larger circle?
Answers
Answered by
oobleck
πr^2 - 36π = 64π
r^2 = 100
r = 10
r^2 = 100
r = 10