Question

In a parallelogram , ∠A = (y + 60)

and ∠D = (3y − 20)

Find the angles of the

Parallelogram.

Answer 1

Answer:

angle A+ angle D =180°

so y+60+3y-20=180°

4y+40=180°

4y=140°

y=140/4°

angles are by substituting y we get that

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Answer 2

Answer:

angle a equals to 85

angle b equals to 95

angle c equals to 85

angle d equals to 95