In figure shown D and E trisect BC. Prove that 8AE^2 = 3AC^2 + 5AD^2.

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asked Mar 14, 2018 in Mathematics by shabnam praween (19,050 points) 5 6 80

In figure shown D and E trisect BC. Prove that 8AE2 = 3AC2 + 5AD2.

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answered Mar 14, 2018 by mdsamim (213,225 points) 5 10 23
selected Mar 20, 2018 by faiz
 
Best answer

[Applying pythagoras Theorem in DABC and DABD]

= 8AE2 = LHS (Applying Pythagoras Theorem in DABE)

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