Question

If 0 be the centre of the circle , Find the value of x in the circle ​​

Answer 1

Step-by-step explanation:

oc=oa (radius of a circle)

so

angle OCA=angle OAC=50°

angle OCA+angle OAC=angleCOB

SUM OF TWO INTERIOR ANGLE IS EQUAL TO THE OPPOSITE EXTERIOR ANGLE

THEREFORE

100=angleCOB

angleCOB/2=CDB

50°=CDB

OR

X=50°

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