A Venn diagram with two circles is drawn. Each circle has a diameter of 10 cm. The overlapping area is 20 cm^2. Find the total writing area within the diagram.

Pre-Algebra B - Ms. Sue, Friday, May 27, 2011 at 5:47pm

A = pi * r^2
A = 3.14 * 5^2
A = 78.5

(2 * 78.5) - 20 = ?

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