One of the exterior angle of a abc measures 150 angle .if one of the interior opposite angle is 75 angle find the other interior opposite angle.what type of triangle is this.
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As we know that, in a triangle the sum of 2 interior opposite angle is equal to the exterior angle.
One angle=75
Exterior angle=150
Let one angle be 1 and other be 2
1+2=150
2=150-75
2=75
As two angles are equal the sides opposite to them are also equal.
Hence this is an isosceles triangle.
One angle=75
Exterior angle=150
Let one angle be 1 and other be 2
1+2=150
2=150-75
2=75
As two angles are equal the sides opposite to them are also equal.
Hence this is an isosceles triangle.
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