Question

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

Answer 1

Answer:

80 and 100

Step-by-step explanation:

acc to que:

let 1st=x

2nd= 180-x

4x+ 5x = 180

9x = 180

x=20

Answer 2

let the angles be 4x and 5x

sum of supplementary angles is 180°

4x+5x=180°

9x=180°

x=180/9

x=20°

first angle=4x=4*20=80°

second angle=5x=5*20=100°

hope it helps

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