Question

Abcd is a cyclic quadrilateral of circle with




centre at o. Ab is produced to



e. If ∠aoc=120°,




then ∠cbe will be

Answer 1

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WE KNOW:-

angle subtended by arc at the centre is double than that at any other points on the arc....

so:-

/_AOC=2/_CBE

1/2×/_AOC=/_CBE

1/2×120°= /_CBE

60°= /_CBE

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