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Question

O if any point in the interior of a triangle ABC. Prove that AB + AC > OB + OC.

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Solution

Construction=produced BO to meet AC in D
oof=InΔABD=AB+AD>BD=AB+AD>BO+OD(i)InΔOCDCD+DO>OC(ii)Addingequation(i)&9ii)wegetAB+AC>OB+OC[AD+DC=AC]

1212335_1141318_ans_c62ae6902c2f4b07b4948eef765bfc36.PNG

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