ABCD is a parallelogram, M is the mid-point of BD and BM bisects ∠B. Then ∠AMB =(a) 45°(b) 60°(c) 90°(d) 75°

ABCD is a parallelogram, M is the mid-point of BD and BM bisects ∠B.

1.	ABCD is a parallelogram, M is the mid-point of BD and BM bisects ∠B. Then ∠AMB =(a) 45°(b) 60°(c) 90°(d) 75°
Answer» ABCD is a parallelogram, M is the mid-point of BD and BM bisects ∠B. Then ∠AMB = (a) 45° (b) 60° (c) 90° (d) 75°