16 multiple choice questions to test your understanding.
See answers immediately after selecting
Q1. The sum of angles of a triangle is:
Q2. In triangle ABC, ∠A = 60°, ∠B = 70°. What is ∠C?
Q3. A triangle with all three sides equal is:
Q4. A triangle with one angle 90° is:
Q5. In an isosceles triangle ABC with AB = AC and ∠A = 50°, what is ∠B?
Q6. The exterior angle of a triangle equals:
Q7. Can sides 2, 3, 7 form a triangle?
Q8. Which set of sides can form a triangle?
Q9. A line from vertex to midpoint of opposite side is called:
Q10. A perpendicular from vertex to opposite side is called:
Q11. The point where all medians meet is called:
Q12. In an equilateral triangle, each angle measures:
Q13. The exterior angle at vertex B of triangle ABC is 110°. If ∠A = 45°, find ∠C.
Q14. Which triangle cannot exist?
Q15. In triangle PQR, the centroid divides each median in ratio:
Q16. A triangle with sides 5, 12, 13 is a: