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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.​

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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