Question

Can a quadrilateral ABCD be a partallelogram if
1 ) angel D + angel B = 180°?

2 ) AB = DC = 8cm AD = 4cm and BC = 4.4 em?

3 ) angel A - 70° and <C = 65°?
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Answer 1

1. angle d+ angle b = 180

Because sum of adjacent angle = 180

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