on a triangle an exteior angle is 130 if one of its interior angles is 70 rhen the other two angles are
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By Exterior Angle Property:-
Exterior Angle= Sum of two opposite Interior
Angles.
130°=70°+2nd angle.
2nd Angle= 130°-70°
2nd angle=60°.
As we know that sum of all the angles of a traingle is 180°.
70°+60°+3rd angle of Triangle=180°.
130°+3rd angle of Triangle=180°.
3rd angle of Triangle=180°-130°=50°.
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