GAUSS8 2003 Problem 19

Past Contests GAUSS8 GAUSS (GR. 8) - 2003
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1

In the diagram, ABCD is a rectangle, and three circles are positioned as shown. The area of the shaded region, rounded to the nearest cm^2, is

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Answer Choices
A. 41
B. 43
C. 47
D. 36
E. 45