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Inscribe Quadrilateral, Get Diophantus (Posted on 2007-04-09) Difficulty: 3 of 5
PQRS is a cyclic quadrilateral with PR perpendicular to QS while PR meets QS at H. T is the radius of the circumscribed circle.

Prove that:

HP2 + HQ2 + HR2 + HS2 = 4T2

See The Solution Submitted by K Sengupta    
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  Subject Author Date
SolutionSolutionBractals2007-04-09 20:42:12
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