Z is a pt. on mn of eq. triangle lmn. if mz=1/4mn. prove that 13lm^2=16lz^2....
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height of triangle = root 3/2 lm, also mn = lm. using Pythagorus therom
lz2 = mz2 + 3/4 lm2 = 1/16 lm2 + 3/4 lm2 = 13/16 lm2
hence, 16 lz2 = 13 lm2
lz2 = mz2 + 3/4 lm2 = 1/16 lm2 + 3/4 lm2 = 13/16 lm2
hence, 16 lz2 = 13 lm2
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