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The figure shows two circles, with centers A and B, externally tangent at point C. The common tangents to the two circles meet at point P and AP = 30. If the radius of the circle with center A is 10, what is the length of BP?

The figure shows two circles with centers A and B externally tangent at point C The common tangents to the two circles meet at point P and AP 30 If the radius o class=