Exterior Angle Property Worksheet
Grade 12 Math worksheet focusing on the Exterior Angle Property of triangles, including calculations and problem-solving.
Includes
Standards
Topics
Exterior Angle Property
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Read each question carefully and answer to the best of your ability. Show all your work for full credit.
1. In the triangle below, find the value of x.
2. The exterior angle of a triangle is equal to the sum of which two angles?
The adjacent interior angle and one opposite interior angle
The two opposite interior angles
All three interior angles
The adjacent interior angle and the exterior angle
3. The sum of an interior angle and its corresponding exterior angle is always degrees.
4. If the two opposite interior angles of a triangle are 50° and 65°, then the exterior angle is .
5. A triangle has interior angles measuring 45° and 75°. What is the measure of the exterior angle at the third vertex?
6. The exterior angle property only applies to right-angled triangles.
True
False