Question

diagonals of a quadrilateral abcd bisect each other.If a=45, then angle b =​

Answer 1

Answer:

135°

Step-by-step explanation:

Due to linear pair.

Hope it's help u.

Answer 2

Answer:

135°

Step-by-step explanation:

Diagonals AC and BD of quadrilateral ABCD bisect each other at O

∴ AO = OC, BO = OD

∴ ABCD is a ||gm ∠A = 45°

But ∠A + ∠B = 180° (Sum of consecutive angles)

∴ ∠B = 180° – ∠A = 180° – 45°

= 135°