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10. Two adjacent angles of a parallelogram are (3y + 10)' and (3y – 4)". Find the measure of all anglesof the parallelogram. |
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Answer» Step-by-step EXPLANATION: Let 3y+10 be Angle A and 3y-4 be Angle B ADD both the angles 3y +10+3y-4=180 ° ( Adjacent angles is equal to 180°) 6y-6=180° y-6=30°(180°/6) y = 30-6=24° Angle A = 3(24+10)=82° Angle B = 3(24-4)=60° Angle A = Angle C = 82° (Opposite angles are equal ) Angle B = Angle D = 60° ( Opposite angles are equal ) |
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