one angle of a triangle is 80 and other two are in ratio 1:3 find these angles
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total angle of triangle is 180
so other two angle are 100 degree
as they are in the ratio 1:3 so first angle is 25 degree and second angle is 75 degree
so other two angle are 100 degree
as they are in the ratio 1:3 so first angle is 25 degree and second angle is 75 degree
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