10) In a parallelogram ABCD, if m∠A = 124°, then find the m∠B.
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∠A+∠B=180° ( adjacent angles of ||gm are supplement)
124°+∠B=180°
∠B=180°-124°
∠B=56°
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In a parallelogram ABCD, if m<A=124. Then find the m<B
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