in a parallelogram ABCD ,the measure of angle B is 120° find the measure of angle C and angle D.
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Answer:
Step-by-step explanation:
Opposite angles of a parallelogram are equal and consecutive interior angles are equal.
Which means if A, B, C and D are the angles and B is 120°.
Therefore, angle D must be 120° too as they are opposite angles.
And angle C must be 60° as sum of consecutive interior angles is 180°
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