Exterior Angle of a Triangle
An exterior angle of a triangle is equal to the sum of its opposite interior angles.
(Exterior angle of triangle)

OPPOSITE INTERIOR ANGLES | EXTERIOR ANGLE | RELATIONSHIP |
|---|---|---|

Video solution locked
A free account saves your progress; this video needs a course plan.
680+ questions here come with free worked solutions. A free account saves your questions and progress; this one needs a course plan.
Create a free account to practise similar questions.
Need help? Join our E-Maths tuition for O-Level success.
Learn more