Problem 95. Similar Triangles, Inradii, Parallel. Level: High School, SAT Prep, College

In the figure below, given a triangle ABC, line DEF parallel to AC and line FGM parallel to AB. If r, r1, r2, and r3, are the inradii of triangles ABC, DBE, FGE, and MGC respectively, prove that: r = r1 + r2 + r3. View or post a solution.
 

Problem 95 Similarity, Elearning


 

 

FACTS AND HINTS:


1. SIMILAR TRIANGLES:
Proposition:
Corresponding segments of similar triangles are in proportion.


 

 

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