Question 8 (i)In the given figure, O is a point in the interior of a t – InterviewSolution

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1.	Question 8 (i)In the given figure, 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−OF2=AF2+BD2+CE2
Answer» Question 8 (i) In the given figure, O is a point in the interior of a triangle ABC, OD $⊥$ BC, OE $⊥$ AC and OF $⊥$ AB. Show that $(i) O A^{2} + O B^{2} + O C^{2} - O D^{2} - O E^{2} - O F^{2} = A F^{2} + B D^{2} + C E^{2}$

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