Q. 305.0( 1 Vote )

# Diagonals of a quadrilateral ABCD bisect each other. If ∠A =45°, then ∠B =

A. 115°

B. 120°

C. 125°

D. 135°

Answer :

Given,

ABCD is a quadrilateral

∠A = 45° ,

∵ diagonals of quadrilateral bisects each other hence ABCD is a parallelogram,

= ∠A +∠B = 180°

=45°+∠B = 180°

=∠B = 180°- 45° = 135°

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