Question

In the adjoining figure, the sides BA and DC of a quadrilateral ABCD have been produced
to E and F respectively.

Prove that: a +b = x + y.
[Hint:bº +2A = 180°, aº +2C = 180°.
.. a° +6° + ZA + ZC = 360°.
But, xº + yº + ZA + ZC = 360°. (Angles of a quadrilateral]​

Answer 1

Answer:

7x2=5=4x6=50 yes I m sure