Page 46 - Ganit Kaushal

4. Fill in the blanks.

(a) An angle is made up of two _____ with a _____ end point. P
(b) The two rays forming the angle are called the arms or _____ of the angle.

(c) In the adjoining figure, the angle is formed by rays _____ and _____ . O Q
(d) In specifying the angle, the _____ is always written as the middle letter.
(e) The _____ of an angle is not a restricted area.

5. How many angles are there in the adjoining 6. In the adjoining figure,
figure? Name them. name the points A
P (a) In the interior of Y P
D
∠ABC. T
R Q
O (b) In the exterior of
B
∠ABC.
C B X C
(c) On the boundary
of ∠ABC. S

7. Find which of the angles in each of the following pairs is greater, by simply observing or looking at
the figures given below.
(a) B P (b) L S

F
M N T
A O Q R
8. By using a transparent sheet or tracing paper, compare the angles in each of the pairs given in the
figures below.
(a) L S (b) A X

M N T F O B W Y

(c) O X (d) O Z
C Z X

Y
D
C D Y
9. Three types of pairs of lines (a), (b) and (c) are given below. Identify them as intersecting lines, parallel
lines and perpendicular lines.
P A B
(a) A C (b) (c)
O
D B
A M B C D

44 Mathematics-6