Geometry and Mensuration Worksheet-5

Geometry and Mensuration Worksheet-5

1. 179º is an example of

(a) Obtuse         (b) Acute            (c) Right            (d) None

2. 89º is an example of

(a) Obtuse         (b) Acute            (c) Right            (d) None

3. 91º is an example of

(a) Obtuse         (b) Acute            (c) Right            (d) None

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

(a) Doubles                                   (b) Triples

(c) Remains the same                 (d) None

5. In ∠ROP vertex is

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

6. In ∠PRQ the two arms are

(a)          (b)          (c)          (d) None

7. When two line segments meet at a point forming right angle they are said to be _____ to each other.

(a) Parallel                                     (b) Perpendicular

(c) Equal                                        (d) None

8. is perpendicular to is symbolically written as

(a)       (b)        (c)       (d)

9. , Then ∠CDB =

(a) 180º             (b) 45º               (c) 90º               (d) 120º

10. The lines which lie on the same plane and do not intersect at any point are called

(a) Perpendicular                         (b) Intersecting

(c) Parallel                                     (d) None

11. A line AB is parallel to the line CD. This is symbolically written as

(a)       (b)       (c)       (d)

12. When two lines are parallel the distance between them is

(a) Always equal                           (b) Not equal

(c) Increases                                  (d) None

13. Number of pairs of parallel lines in the given figure is

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

14. Number of pairs of parallel lines in the given figure is

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

15. Number of right angles formed in the given figure is

(a) 5                    (b) 3                    (c) 2                    (d) 4

16. Straight angle is ______

(a) 90º               (b) 180º             (c) 60º               (d) 45º

17. The complementary angle of 30º is

(a) 60º               (b) 90º               (c) 150º              (d) None

18. Supplementary angle of 100º is

(a) 180º             (b) 90º               (c) 80º               (d) 60º

19. If two straight lines intersect, the measures of the vertically opposite angles are______

(a) Equal                                        (b) Not equal

(c) Cannot be determined          (d) None of these

20. Which of the following has a definite length?

(a) Ray                                            (b) Straight line

(c) Line segment                           (d) None

Answer Key:

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