in a isoceless triangle some of two sides are equal exterior angle 110° find interior angles x,y
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exterior angle 110°
adjacent angle of the exterior angle is 70°
as the triangle is isosceles so the opposite angle also is 70°
so the third angle is 40°
adjacent angle of the exterior angle is 70°
as the triangle is isosceles so the opposite angle also is 70°
so the third angle is 40°
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