what is the sum of all angles of a parallelogram (in degrees) ?
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Answer:
the sum of all angles of a parallelogram is 180°
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180°
Step-by-step explanation:
We know that interior angles on the same side are supplementary. Similarly, ∠B + ∠C = 180°, ∠C + ∠D = 180° and ∠A + ∠B = 180°. Therefore, the sum of any two adjacent angles of a parallelogram is equal to 180°.
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