one of the exterior angles of a triangle is 105 degrees and the interior of opposite angles are in the radio 2:5 find the angles of triangles
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180 - 105 = 75°
One angle is a 75 in the Triangle
Other are to be in Following
The First angle plus second angle is equal to
2x + 5x = 180 - 75
7x = 105
x = 105/7
x = 15
2x = 30
5x = 75
The First angle is 75°, second angle is 75° , third angle is 30 the some angle is 180°.
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