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Problem 1102: Right Triangle, Incircle, Tangency Point, 90 Degree, Cathetus, Metric Relations. Level: High School, SAT Prep, College Geometry

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In a right triangle ABC (see the figure below) incircle O is tangent to AC, AB, and BC at D, E, and F, respectively. DO extended meets BC at G. Prove that AB2 = 2AD.DG.

 

Problem 1102: Right Triangle, Incircle, Tangency Point, 90 Degree, Cathetus, Metric Relations

 

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Last updated: Mar 22, 2015