Question

Quadrilateral ABCD is parellelogram. angle A=70 then angle B=? ​

Answer 1

The answer is B = 110

The sum of sides = 180 so

A + B = 180

70 + B = 180

B = 110

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Answer 2

A=70 ,C=180-70=110

D=180-110=70

B=180-70=110