In a parallelogram ABCD, since adjacent angles are supplementary we have *
(a) /_ A + /_B = 180°
(b) /_C + /_A = 180°
(c) /_B + /_ D = 180°
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each angles are 90 degree of rectangle
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Step-by-step explanation:
supplementary angles means sum two angles is 180°
hence
In question parallelogram ABCD , adjacent angles are supplementary
The answer is ' a '
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