CBSE Class 9 Answered
In a quadrilateral ABCD, the line segments bisecting
C and
D meet at E. Prove that
A +
B = 2
CED. 






Asked by Topperlearning User | 16 Aug, 2017, 02:17: PM

In
DEC,
1+
2 +
CED = 180o (angle sum property of triangle)













Answered by | 16 Aug, 2017, 04:17: PM
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