O is the centre of the circle. L AEC = 400
.Find L AOC and L ABC
Pls help me
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if AE=40⁰
then AOC=80⁰(angle on segment is half of angle on center joined by two lines)
ABC+AEC=180⁰
ABC+40⁰=180⁰
ABC=180-40
ABC=140⁰
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