Question

two suplementry angles are in ratio 4:5 . find angle​

Answer 1

Step-by-step explanation:

Supplementary means 180

Let angle be 4xand5x

4x+5x=180

9x=180

x=20°

4x=80

5x=100.

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Answer 2

Answer:

let the angles be 4x and 5x

4x + 5x = 180

9x = 180

X = 180/9

4x = 180/9

x = 180/36 = 5

5x = 180/9

X = 180/45 = 4