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1. Circles of radius 2 are centered at t...

1. Circles of radius 2 are centered at the vertices of a triangle with sides lengths 8, 11 and 12. Find the length of a belt that fits tightly around those three circles as shown in the figure (A) 31+4pi (B)31+6pi (C) 31+pi (D) 31+ 2pi .

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