Class 6 - Angle Worksheet 1

1. An angle whose measure lies between 0° and 90° is known as __________ angle.

a) Right b) Obtuse
c) Acute d) None of these

2. An angle whose measure is _____ known as right angle.

a) 30° b) 90°
c) 60° d) None of these

3. 120° is known as __________ type of angle.

a) Right b) Obtuse
c) Acute d) None of these

4. An angle whose measurement is _____ known as zero angle.

a) 30° b) 90°
c) 60° d) None of these

5. An angle whose measurement is _____ known as straight angle.

a) 30° b) 90°
c) 60° d) 180°

6. Reflex angle measurement should lie between _____ and _____.

a) 30° and 90° b) 90° and 180°
c) 180° and 360° d) 270° and 360°

7. One straight angle is equal to _____ right angles.

a) 1 b) 2
c) 3 d) 4

8. One complete angle is equal to _____ straight angles.

a) 1 b) 2
c) 3 d) 4

9. One complete angle is equal to _____ right angles.

a) 1 b) 2
c) 3 d) 4

10. What kind of angle is this?

Angle-1
a) Right b) Obtuse
c) Acute d) None of these

11. What kind of angle is this?

Angle-2
a) Right b) Obtuse
c) Acute d) None of these

12. What kind of angle is this?

Angle-3
a) Right b) Obtuse
c) Acute d) Reflex

13. What kind of angle is this?

Angle-4
a) Right b) Complete
c) Acute d) Reflex

14. 79.5° is a right-angle angle. Mark True / False.

a) True b) False

15. 360° is a complete angle. Mark True / False.

a) True b) False

16. 187° is a straight angle. Mark True / False.

a) True b) False

17. 90° is a right angle. Mark True / False.

a) True b) False

18. How many degrees are there in three right angles?

a) 90 b) 180
c) 45 d) 270

19. How many degrees are there in ²⁄₅ right angles?

a) 28 b) 30
c) 36 d) 45

20. Two angles having the same measure are known as congruent angles. Mark True / False.

a) True b) False

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