Mathematics, 28.07.2019 03:00, james1110

M∠ dab = 85 − 2x m ∠ abc = 90 + x m ∠ bcd = 80 − 3x m ∠ cda = 105 + 4x quadrilateral abcd is a parallelogram if pairs of consecutive angles are supplementary. prove that quadrilateral abcd is a parallelogram by finding the value of x.

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M∠ dab = 85 − 2x m ∠ abc = 90 + x m ∠ bcd = 80 − 3x m ∠ cda = 105 + 4x quadrilateral abcd is a paral...