Question

Of a ray OC stands on line AB such that angle AOC= angleCOB, show that angle AOC=90°

Answer 1

AB is a straight line in which OC is standing means OC is perpendicular To AB.SoOF perpendicular to AB then, O is the M.p of AB, AngLe BOC=Angle AOC BOC=90 degree because it is perpendicular to AB.Boc+Aoc=180 (linear pair).2AOC=180degree AOC=180/2=90degree.then angleBOC =90 degree.hence proved.

Answer 2

Hi,
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