Question

In the given field who is the center of the circle the value of x is a part with forty degree b part seventy degree shepard to ninety days the power two hundred ten days

Answer 1

join oc .now co =ob therefore angle ocb = 20 degree similarly angle OCA= 50 degree . and angle acb = 70 degree . so x=2angle aco . therefore X= 140 degree

the answer is 140  

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