Geometry Worksheet-12

Geometry Worksheet-12

1. 3 m =_______ cm

(a) 100               (b) 30                 (c) 300               (d) 3000

2. 8 m 5 cm = ________ cm

(a) 850               (b) 8005            (c) 8050             (d) 805

3. Which is longest?

(a)

(b)

(c)

(d)

4. Angles are measured in

(a) compasses                               (b) protractor

(c) degrees                                     (d) centimetres

5. The common end point where the two rays meet is called

(a) arms             (b) vertex           (c) ray                 (d) 0

6. An angle which measures more than 0° and less than 90° is called

(a) obtuse          (b) acute            (c) right              (d) none

7. An angle which measures 90° is called

(a) obtuse          (b) acute            (c) right              (d) none

8. An angle which measures 0° is called

(a) obtuse          (b) straight        (c) zero               (d) right

9. ∠AOB is a/an ........... angle.

(a) acute            (b) right             (c) obtuse          (d) none

10. An angle which measures 180° is called

(a) zero               (b) right             (c) straight        (d) acute

11. Instrument used measure or construct angles is

(a) compass      (b) scale             (c) protractor   (d) set square

12. Number of rays that can be drawn from a given point is

(a) 2                    (b) 5                    (c) 8                    (d) infinite

13. At 3 o'clock, the angle formed between the two hands of a clock is

(a) right             (b) acute            (c) obtuse          (d) left

14. At 5:20 the angle formed between, the two hands of a clock is

(a) obtuse          (b) right             (c) acute             (d) none

15. Number of angles formed in the given figure is

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

16. 179° is an example of

(a) obtuse          (b) acute            (c) right              (d) none

17. 89° is an example of

(a) obtuse          (b) acute            (c) right              (d) none

18. 91° is an example of

(a) obtuse          (b) acute            (c) right              (d) none

19. When an arm of an angle is extended then the measure of angle

(a) doubles                                     (b) triples

(c) remains the same                   (d) none

20. In ∠PRQ vertex is

(a) R                   (b) P                    (c) O                   (d) None

Answer Key:

(1)-(c); (2)-(d); (3)-(b); (4)-(c); (5)-(b); (6)-(b); (7)-(c); (8)-(c); (9)-(c); (10)-(c); (11)-(c); (12)-(d); (13)-(a); (14)-(c); (15)-(d); (16)-(a); (17)-(b); (18)-(a); (19)-(c); (20)-(a)