Posted by tyryssa on .
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.

PreAlgebra B 
Ms. Sue,
A = pi * r^2
A = 3.14 * 5^2
A = 78.5
(2 * 78.5)  20 = ?