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Problem 437: Tangent Circles, Diameter, Chord, Perpendicular, Congruence
The figure shows the circle 1 with
diameter AB and circle 2 with diameter AC tangent at A. Line APD
is a chord of circle 1, line DFE is perpendicular to AB, the
extension of AF intersects circle 1 at G, line GMH is
perpendicular to AB, and AM intersects FE at N. Prove that AN
and AP are congruent.
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