Question

Two supplementary angles differ by 50 find measure of both angles

Answer 1

let angles be : x,and 180-x

(180-x)-x=50

-x+180-x=50

2x=130

x=65

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Answer 2

let one angle be x
therefore other angle = 180-x

acc to St.
x-(180-x)= 50
x-180+x=50
2x = 50+180
2x = 230
x = 115

therefore one angle = 115
other angle= 180-115=65

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