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Circle

by tsmith93 » Wed Mar 03, 2010 5:53 pm
The area of a circle with radius r is equal to the area of a rectangle with base b. What is the height of the rectangle in terms of (pi), r, and b?[/list]
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by papgust » Wed Mar 03, 2010 6:12 pm
Area of a circle = pi*r^2
Area of a rectangle = b * h

Equate both equations,
pi * r^2 = b * h

h = pi*r^2 / b
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