Loading the lesson
Loading the lesson
Search AllRounder.ai
Search the courses, subjects, tracks, games and features, or jump straight to a page.
Search the courses, subjects, tracks, games and features, or jump straight to a page.
2 cards from this section. Quick, good the night before a test.
What is the exterior angle if ∠CAB = 50° and ∠ABC = 30°?
Add the two interior angles together.
If ∠CAB = 10° and ∠ACD = 70°, what is ∠ABC?
Use the exterior angle theorem to find the missing angle.
What does the Exterior Angle Theorem state?
Think about how the exterior angle is formed and its relationship to the interior angles.
True or False: The sum of the interior angles of a triangle is always equal to the exterior angle.
Consider the definitions of interior and exterior angles.
In a triangle, the exterior angle is 130°, and one of the interior angles is 40°. What is the measure of the other interior angle?
Use the Exterior Angle Theorem.
Prove that in any triangle, the exterior angle is larger than either of the opposite interior angles.
Consider the definitions and relationships of angles in a triangle.
4 more questions in this section. Enroll free to practise them all.
Enroll free