One of the exterior angles of a triangle is 130°. If the interior opposite angles of the given
exterior angles are in the ratio of 2:3, find the angles of the triangle.
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exterior angle=sum of interior opposite angles
hence, 130 degree=2x+3x
5x=130 degree
x=130/5
x=26 degree
angles of the triangle are,
26*2=52 degree
26*3=78 degree
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