Question

Two supplementary angel are in the ratio of 2:7 find the angle​

Answer 1

Step-by-step explanation:

Let the angle be x

2x+7x=180°

9x=180°

x=180/9

x= 20°

so the angles are 40° and 140°

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Answer 2

Answer:

40:140

Step-by-step explanation:

as supplementary angles equal to 180 degrees

so 2/9*180 = 40 and 7/9*180= 140