Question

Find the angle which is double of its supplement​

Answer 1

Answer:

let x be 1st angle and y second

y = 2x

x + y = 180

x +2x = 180

3x = 180

x = 60

y = 2x = 120

Answer 2

Answer:

Let the angle b=x

Then...

Supplementary angle will be=2x

So....

2x+x=180°

3x=180°

x=180°÷3

x=60°

Thus....

1st angle=60°

2nd angle=60°×2=120°

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