Home Geometry Problems Art 321-330 Semicircle Right Triangle Area View or post a solution  
Problem 327. Right triangle Area, Incircle, Circumcircle, Square
Level: High School, SAT Prep, College geometry.

The figure shows a right triangle ABC. The incircle I is tangent to AC at D. The line DI meet the circumcircle O at E. Prove that the triangle ABC has the same area as the square on DE.

Right triangle Area 

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