1.

one of the exterior angle of a triangle is 105 degrees and the interior opposite angles are in the ratio 2 is to 5 find angles of the triangle

Answer»
hey! is your answer
exterior angle=105°
let the INTERIOR OPPOSITE ANGLES be 2x and 5x
exterior angle=sum of two opposite angles
so,ACCORDING to question,
105°=2x+5x
105°=7x
x=105°/7
x=15°
2x=2*15°=30°
5x=5*15°=75°
hope it HELPS you!


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