Classify angles by their measure

Write acute, right, obtuse or straight.

1. An angle measures 25°. Is it acute, right, obtuse or straight?
2. An angle measures 26°. Is it acute, right, obtuse or straight?
3. An angle measures 131°. Is it acute, right, obtuse or straight?
4. An angle measures 106°. Is it acute, right, obtuse or straight?
5. An angle measures 48°. Is it acute, right, obtuse or straight?
6. An angle measures 134°. Is it acute, right, obtuse or straight?
7. An angle measures 142°. Is it acute, right, obtuse or straight?
8. An angle measures 140°. Is it acute, right, obtuse or straight?
9. An angle measures 33°. Is it acute, right, obtuse or straight?
10. An angle measures 171°. Is it acute, right, obtuse or straight?
11. An angle measures 56°. Is it acute, right, obtuse or straight?
12. An angle measures 90°. Is it acute, right, obtuse or straight?
13. An angle measures 180°. Is it acute, right, obtuse or straight?
14. An angle measures 110°. Is it acute, right, obtuse or straight?
15. An angle measures 121°. Is it acute, right, obtuse or straight?
16. An angle measures 44°. Is it acute, right, obtuse or straight?
17. An angle measures 53°. Is it acute, right, obtuse or straight?
18. An angle measures 145°. Is it acute, right, obtuse or straight?
19. An angle measures 45°. Is it acute, right, obtuse or straight?
20. An angle measures 34°. Is it acute, right, obtuse or straight?