If O is the centre of the circle, find the value of x in the given figure:
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Answer:
60°
Step-by-step explanation:
in a straight line CO <AOB=60°
<BOA + <COA = 180° (linear pair angle)
60°+ <COA =180°
<COA =120°
<OCA=<OAC (Angles opposite to equal sides are equal in a triangle)
let the angles be x
x + x + 60° =180° ( angle sum property)
2x + 60° = 180°
2x = 120
x = 60°
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