one of the exterior angles of a triangle is 130 and the interioir oppoaite angles are in the ratio of 2:3 .find the angles of a traingle
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let the opposite angles be 2x and 3x
now 2x + 3x = 130
5x = 130
x=26
one of the angle is 26×2=52
other =26×3=78
now third angle=180 -(78+52)
=180-130
=50
now 2x + 3x = 130
5x = 130
x=26
one of the angle is 26×2=52
other =26×3=78
now third angle=180 -(78+52)
=180-130
=50
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