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given parallelogram abcd , angle A and angle B measure (x + 30) and (3x - 90) respectively. determine the measure of each angle. |
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Answer» HOPE it will be helpful to you Step-by-step explanation: 1) Opposite ANGLES in a PARALLELOGRAM are equal. 2) Adjacent angles in a parallelogram are SUPPLEMENTARY (sumis180 degree ) ∴∠B=∠D=135 degree (opposite angles) ∠A+∠B=180 degree (adjacent angles) ∠A=180−135 ∠A=45 degree |
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