In a triangle, the angles are 2x degrees, (x+30 degrees), (x-10 degrees) find the angles
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given angles 2x,(x+30°),(x-10°)
sum of angles is 180
2x+x+30+x-10=180
4x+20=180
x=40
1st angle is 2(40)=80
2nd angle is 40+30=70
3rd angle is 40-10=30
sum of angles is 180
2x+x+30+x-10=180
4x+20=180
x=40
1st angle is 2(40)=80
2nd angle is 40+30=70
3rd angle is 40-10=30
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