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Question

If D is the midpoint of the side Bc of a triangle ABC, then prove that AB+AC=2AD

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Solution

PointDisthemidpointofBCso,bysectionformula¯¯¯¯¯¯¯AB+¯¯¯¯¯¯¯AC2=¯¯¯¯¯¯¯¯¯AD¯¯¯¯¯¯¯¯AB+¯¯¯¯¯¯¯¯AC=2¯¯¯¯¯¯¯¯¯AD
1241089_1306576_ans_a74741183fd94fad874fdbd668b01eb3.PNG

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