geometry
posted by Anonymous .
The area of a circle is 28.26 square centimeters. What is its diameter (use 3.14 for ð)?

geometry 
Ms. Sue
A = pi * r^2
28.26 = 3.14 * r^2
28.26 / 3.14 = r^2
9 = r^2
3 = r
D = 2r
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