A) 32
B) 28
C) 26
D) 24
Correct Answer: B
Solution :
Since \[\angle \,AOB\] is a straight angle, we have \[\angle AOC+\angle BOC=180{}^\circ \] \[\Rightarrow \]\[3x+20+4x-36=180{}^\circ \] \[\Rightarrow \] \[7x=196\Rightarrow x=28\]You need to login to perform this action.
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