Asked by jenna

what is the exact area of a circle with a diameter of 15 inches?
Answered by Damon
radius = 15/2
area = pi r^2 = pi (225/4)
Answered by jenna
so its 225pi sq. in?
Answered by bobpursley
exact? One cannot write down <i>exactly</i> irrational numbers, such as PI.

The exact answer is 225/4 * PI
Answered by Damon
pi r^2 = pi D^2/4 = area of circle
Answered by Lola Martinez
you guys are all wrong
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