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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the exterior angle at vertex A if the interior angles ∠B = 45° and ∠C = 55°?
💡 Hint: Use the sum of the two opposite interior angles.
Question 2
Easy
If one interior angle of a triangle is 30°, what can be one possible measure of the exterior angle?
💡 Hint: Use the relationship between interior angles and the straight angle.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What does the Exterior Angle Theorem state?
💡 Hint: Recall the relationship between exterior and interior angles.
Question 2
If ∠A = 30° and ∠B = 70°, what is the exterior angle at C?
- 100°
- 90°
- 130°
💡 Hint: Add the measures of ∠A and ∠B together.
Solve 3 more questions and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
In triangle PQR, if ∠P = 45° and ∠Q = 85°, what is the measure of the exterior angle at vertex R?
💡 Hint: Add the measures of ∠P and ∠Q.
Question 2
Using the Exterior Angle Theorem, demonstrate how to prove triangle similarity when one triangle has two angles equal to another's angles.
💡 Hint: Think about using the corresponding angles.
Challenge and get performance evaluation