CBSE Class 9 Answered
ABDC is a cyclic quadrilateral and AB = AC.
If ACB = 70o find BDC.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
In
AB = AC ABC = ACB = 70o
BAC + 70o+ + 70o = 180o
BAC = 180o - 140o = 40o
ABCD is a cyclic quadrilateral and opposite angles of a cyclic quadrilateral are supplementary
BAC + BDC = 180o
40o+ BDC = 180o
BDC = 140o
Answered by | 04 Jun, 2014, 03:23: PM
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