Home Geometry Problems All Problems Visual Index 431-440 Solution / comment        By Antonio Gutierrez
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Problem 435: Triangle, Incircle, Inradius, Congruent circles, tangent, Measurement

The figure shows a triangle ABC with inradius r and AC = b. Five congruent circles of radius x are tangent to each other and to the sides of the triangle. Prove that Formula conclusion to prove.

Problem 435 Triangle, incircle, inradius, congruent circles