Q30 of 95 Page 15

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

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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