Four circles of radius 3 are arranged as shown. Their centers are the vertices of a square. The area of the shaded region is clo
sest to:
A. 7.7
B. 12.1
C. 17.2
D. 18
E. 27
A. 7.7
B. 12.1
C. 17.2
D. 18
E. 27
1 answer:
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