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Sum Supplement Settlement (Posted on 2011-02-12) Difficulty: 3 of 5
ABC is a triangle where the respective lengths of the sides BC, AC and AB are denoted by X, Y and Z. It is known that 3* BAC + 2* ABC = 180o

Prove that: X2 + Y*Z = Z2

See The Solution Submitted by K Sengupta    
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  Subject Author Date
SolutionA different approach (spoiler)Harry2011-02-15 17:27:41
SolutionNot a simple solution.Jer2011-02-15 11:11:14
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