[" 10.Prove that the exterior angle of a triangle is "],[" equal to sum of its interior opposite "],[" angles."]

The exterior angle of a triangle is equal to the sum of two

27.Prove that an exterior angle of a triangle is equal to the sum of its interior opposite angles.

An exterior angle of a triangle is equal to the sum of the two interior opposite angles.

Exterior angle of a triangle is equal to sum of any two interior angles.

Copy each of the following triangles. In each case verify that an exterior angle of a triangle is equal to the sum of the two interior opposite angles:

Exterior angle of a triangle is always ____ then either of its interior opposite angles .

An exterior angle of a triangle is less than either of its interior opposite angles.

The measure of any exterior angle of a triangle is equal to the sum of the measures of its two interior opposite angles