Geometry Problem. Post your solution in the comment box below.

Level: Mathematics Education, High School, Honors Geometry, College.

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## Friday, March 20, 2015

### Problem 1101: Triangle, Parallel Lines, Circle, Incircle, Inradius, Radius, Angle

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r₁/r = BE/BC

ReplyDeleter₂/r = EC/BC

So

r₁/r + r₂/r = 1

r₁ + r₂ = r