Question

Two supplementary angles differ by 50dgree.Find measure of each angle.

Answer 1

Let the first angle be x and the second angle be x+50

According to the question:

×+×+50=180

2x+50=180

2x=130

×=130/2

X=65°

The first angle x=65°

The secong angle = x+50

X=65

65+50= 115

Answer 2

let assume a is one angle
b is another angle
a+b=180°. 1
a-b=50° 2
adding eq 1 and 2
a+b=180°
a-b=50°
2a=230°
a=115°
similarly b=65°
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