Question

9. 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 + ZA = 180°, a" + 20 = 180°
... a + b +ZA+ C = 360°
А A
But, rº + y + ZA + 20 = 360°. (Angles of a quadrilateral)​

Answer 1

Answer:

plz tell properly

Step-by-step explanation:

couldn't understand at least give the diagram of the question