2 years ago

A circle has an area of p square feet and a circumference of q feet. If p=2.5q, what is the radius of the circle?

1 answer:

3 0

A=.5*r^2*theta
a=p
2.5q=2pi(r)
2pi(r)=.5(r^2)(2pi)
1=.5r
2=r

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