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one of the exterior angles of a triangle is 126 degree and the interior opposite angles are in the ratio 2:4. Find the angles of the triangle.

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"An measure of an exterior angle of a triangle is equal to the sum of the measures of the two non-adjacent interior angles."

http://www.regentsprep.org/Regents/math/geometry/GP5/LExtAng.htm

126/6 = 21

42 and 84
cy knn
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