Question

Q. 1In the figure m∠ABC = 2x°, m(arc APC) = (x + 60)° as shown in the figure. Find the value of x
1 point

A. 80°
B. 60°
C. 20°
D. 40°​

Answer 1

In a circle angle subtended by any chord on opposite sides are supplementary.

So m(arcAPC)+m(arcABC)=180o

So m(arcABC)=180o−60o=120o