Question

What is the answer for iv

Answer 1

Answer:

90° + 90° = 180°

is the answer

because in rectangle, angles are 90°

Answer 2

∠DAB + ∠CDA = 180°

As both the angles are a pair of adjacent angles so they are supplementary.

And it is a parallelogram mate not a rectangle.

Hope you will edit your answer [Gargi2004].