SOLUTION: In parallelogram DATE, m∠D = 8x - 20 and m∠A = 2x + 30. Find x.
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-> SOLUTION: In parallelogram DATE, m∠D = 8x - 20 and m∠A = 2x + 30. Find x.
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Geometry: Parallelograms
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Question 257267
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In parallelogram DATE, m∠D = 8x - 20 and m∠A = 2x + 30. Find x.
Answer by
drk(1908)
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In a parallelogram, 2 adjacent angles are supplementary, so, we get
combining like terms, we get
(