Geometry Problems, Online Education

Problem 91. Similar Triangles, Altitude, Parallel, Perpendicular. Level: High School, College

In the figure below, given a triangle ABC, an altitude AH = h, line DEF parallel to AC and line FGM parallel to AB. If h1, h2, and h3 are perpendicular to BC respectively, prove that: h = h1 + h2 + h3. View or post a solution

Similarity of triangles 


 


FACTS AND HINTS:

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

 

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