In Fig.7.42,O is a point in the interior of a triangle ABC,OD ⊥ BC,OE ⊥ AC and OF ⊥ AB.Show that

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asked Feb 3, 2018 in Mathematics by Kundan kumar (49,132 points) 34 379 1011

In Fig.7.42,O is a point in the interior of a triangle ABC,OD  BC,OE  AC and OF  AB.Show
that

(i) OA2+OB2+OC2-OD2-OE2=AF2+BD2+CE2

(ii)AF2+BD2+CE2=AE2+CD2+BF2

1 Answer

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answered Feb 3, 2018 by Vikash Kumar (144,729 points) 8 11 21
 
Best answer

Answer is......

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