CBSE Class 9 Answered
In circle having centre 'O' find BAC
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
AOC + AOB + BOC = 360o
150o + 90o + BOC = 360o
BOC = 360o - 240o = 120o
BOC = 2BAC (The angle subtended by an arc at the centre is double the angle subtended by it at any point on the remaining part of the circle.)
120o = 2BAC BAC = 60o
Answered by | 04 Jun, 2014, 03:23: PM
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