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In the given figure, O is a point in the interior of a triangle ABC, OD ⊥ BC, OE ⊥ AC and OF ⊥ AB.Show that OA2+OB2+OC2−OD2−OE2−OF2=AF2+BD2+CE2 |
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Answer» In the given figure, O is a point in the interior of a triangle ABC, OD ⊥ BC, OE ⊥ AC and OF ⊥ AB. Show that OA2+OB2+OC2−OD2−OE2−OF2=AF2+BD2+CE2  |
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