In a parallelogram ABCD if ∠A = 100 , find the measure of ∠B and∠D
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Angle A=100°
Angle D=100°
Opposite angles of a a a parallelogram are equal
100+Angle B=180° [Co-Interior angles]
Angle B=180-100
Angle B=80°
Angle D=100°
Opposite angles of a a a parallelogram are equal
100+Angle B=180° [Co-Interior angles]
Angle B=180-100
Angle B=80°
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