Question

in the given figure, O is the center of a circle and AOB=140°, Then ACB=?
(a) 70° (b) 80° (b) 110° (d) 40°
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Answer 1

Answer:

saayad se 70 deegre (not sure about it)

Answer 2

Answer:

Reflex AOB = 360-140=220=2x

By using theorem

2x=220 therefore

x=220divided by 2=110 therefore ACB=110.

therefore ootion c is correct........

but you have wrote option(b) and then again (b)