Question

answer this question full solution ​

Answer 1

Answer:

supplementary angles means=180°

so, 2x+7x=180°

9x=180°

x=20°

so, the angle of 2x=2(20)=40°

and the angle of 7x=7(20)=140°

I hope this will help you

Answer 2

Answer:

2x+7x=180

9x=180

x=20

2x20=40°

7x20=140°

the angles are 40°,140°

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