Problema Solution
A Seattle treatment center for Internet addiction covers an area of 24,200 square yards. Imagine a large circle with the same area as the treatment center. What is the radius r for such a circle? Round to the nearest yard
Answer provided by our tutors
the area of a circle with radius r is: A= r^2pi, where pi = 3.14, r>=0
we know the area of the circle is 24,200 yd^2 thus we can write:
r^2pi = 24200
r^2*3.14 = 24200
by solving we find:
r = 87.79 yd
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the radius of such circle is 87.79 yards.