Question

Find the measure of all the angles of a parallelogram ABCD,if m D = 60°​

Answer 1

Answer:

We know that sum of Adjacent angles of parallelogram is 180°

∴ ∠A+∠D=180°

⟹∠A+60° =180°

∴∠A=180° −60° =120°

Answer 2

Answer:

D=60° (given)

We can assume A to be 90°

And B=C

So, 360° - (90+60)+(C+B)

B+C =360 - 140

B+C = 220°

B=C=110°

Step-by-step explanation:

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