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Problem 346

Geometry Difficulty 2.0 Find the answer CEMC Cayley · Canada · 2001

What is the shortest distance between two circles, the first having centre $A(5,3)$ and radius $12$ , and the other with centre $B(2,-1)$ and radius $6$ ? (A) $1$ (B) $2$ (C) $3$ (D) $4$ (E) $5$

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