in an equilateral triangle ABC ,D is a point on side BC such that BD=1 – InterviewSolution

1.	in an equilateral triangle ABC ,D is a point on side BC such that BD=1/3BC.Prove that 9ADsquare=7AB squar
Answer» in an equilateral triangle ABC ,D is a point on side BC such that BD=1/3BC.Prove that 9ADsquare=7AB squar

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