CBSE Class 9 Answered
In a cyclic quadrilateral ABCD, if AB||DC
and B = 70o find the measures of the
remaining angles of the quadrilateral.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
In cyclic quad. ABCD, if B = 70o
Then D = 180o - 70o = 110o
(opp. angles of cyclic quad. are supplementary)
Since AB||CD, B + C = 180o
(adj. angles of cyclic quad. are supplementary)
And A + D = 180o
(adj. angles of cyclic quad. are supplementary)
C = 110o, A = 70o
Answered by | 04 Jun, 2014, 03:23: PM
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