## Test your basic knowledge |

# GRE Math: Angles And Triangles

**Instructions:**

- Answer 37 questions in 15 minutes.
- If you are not ready to take this test, you can study here.
- Match each statement with the correct term.
- Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

**1. exterior angle**

**2. vertical angles**

**3. 9-12-?**

**4. congruent triangles**

**5. 10-24-?**

**6. 7-24-?**

**7. right angle**

**8. acute angle**

**9. similar triangles**

**10. 15-20-?**

**11. 12-16-?**

**12. straight angle**

**13. 9-40-?**

**14. 11-60-?**

**15. obtuse angle**

**16. 5-12-?**

**17. area of equilateral triangle**

**18. reflex angle**

**19. congruent angles**

**20. area of triangle**

**21. pythagorean theorem**

**22. supplementary angles**

**23. angle bisector**

**24. 8-15-?**

**25. altitute/height**

**26. 2 facts about triangles**

**27. 20-21-?**

**28. 6-8-?**

**29. median**

**30. equilateral triangle**

**31. 30-60-90 right triangle**

**32. scalene triangle**

**33. isosceles triangle**

**34. Following is true about isosceles triangles**

**35. acute/obtuse triangle**

**36. complementary angles**

**37. 3-4-?**