CBSE Class 9 Answered
In figure, O is the centre of circle.
Calculate APC and AOC.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Join OP.
In OAP,
OA = OP = r
OAP = OPA = 33o
(equal sides have equal angles opp. to them)
In OPC,
OC = OP = r
OCP = OPC = 46o
(equal sides have equal angles opp. to them)
APC = 33o + 46o = 79o
AOC = 2APC (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.) = 2 79o
AOC = 158o
Answered by | 04 Jun, 2014, 03:23: PM
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