if one angle of a triangle is 100 dreege and the other angles are in the ratio of 2:3 find the angles
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Let the unknown angle be x.
One of the angle of the triangle=100°
Therefore, 100°+2x+3x=180° (Angle sum property)
100°+5x=180°
5x=180°-100°
x=100°/5
x=20
Therefore, 2x=40°
3x=60°
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