Q. 124.3( 3 Votes )

In the given figure, AOB is a straight line. If AOC = (3x – 10)°, COD = 50° and BOD = (x + 20)°, then AOC = ?


A. 40°

B. 60°

C. 80°

D. 50°

Answer :

As we know that sum of all angles on a straight line is 180o.


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