Q. 75.0( 3 Votes )

# Two straight lines AB and CD cut each other at O. If ∠BOD = 63°, then ∠BOD = ?

A. 63°

B. 117°

C. 17°

D. 153°

Answer :

As we know that sum of adjacent angle on a straight line is 180^{o}.

∠BOD + ∠BOC = 180°

∠BOC = 180° – 63°

∠BOC = 117°

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