[" An exterior angle of a triangle is equal to "],[100^(@)" and two interior opposite angles are "],[" equal.Each of these angles is equal to "]

An exterior angle of a triangle is equal to 100^0 and two interior opposite angles are equal. Each of these angles is equal to (a) 75^0 (b) 80^0 (c) 40^0 (d) 50^0

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

An exterior angle of a triangle is 105^(@) and its two interior opposite angles are equal. Each of these equal angles is

An exterior angle of a triangle is 105^(@) and its two interior opposite angles are equal. Each of these equal angles is

An exterior angle of a triangle is 110^(@) and its two interior opposite angles are equal. Each of these equal angles is

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

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

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