In a triangle,the angles are 2x° (x+30°),(X-10°) the angles Find the angles?
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We have sum of internal angel is 180 degrees
So adding
4x+20=180
4x =160
X=40
Angles are 80,70 and 30
So adding
4x+20=180
4x =160
X=40
Angles are 80,70 and 30
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