Lines and intersect at

MATHEMATICS · Single correct · CBSE · Mathematics · Lines and Angles · Lines and Angles

Problem

Lines ABAB and CDCD intersect at OO, forming four angles named ∠AOC\angle AOC, ∠COB\angle COB, ∠BOD\angle BOD and ∠DOA\angle DOA. Which one of the following angles is equal to ∠AOC\angle AOC? (a) ∠COB\angle COB (b) ∠BOD\angle BOD (c) ∠DOA\angle DOA (d) ∠AOB\angle AOB

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