Question

In the given figure, O is the centre of the circle, then find the value of x.​

Answer 1

Answer:

110°

Step-by-step explanation:

since radius in the opposite side are same ACO = 40°

BCO=30°

Then, ACB= 70°

so, x=180- 70x= 110°

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Answer 2

Extend CX and mark d on the circumference of the circle.

Angle CAO= Angle AOD (Alternate interior angle)

Angle CBO= Angle BOD(Alternate interior angle)

Angle AOD+Angle BOD = y

40°+30°=y

x=180-y

x=110°