Math, asked by sangitajugran22, 4 months ago

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Answers

Answered by Anonymous
4

Answer:

D= 180 -120

D= 60°

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Answered by tejeswar184
12

Answer:

sum of adjacent angles in a parallelogram =180°

so, A+B = 180°

120°+B = 180°

B =180°-120°

B=60°

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