EduSahara™ Assignment
Name : Angle Concepts
Chapter : Lines and Angles
Grade : SSC Grade IX
License : Non Commercial Use
Question
1
1.
Which of the following figures represent an angle?
(i)
fig 1
(ii)
fig 3
(iii)
fig 4
(iv)
fig 2
(v)
fig 5
Question
2
2.
The name of angle 3 in the given figure is
(i)
∠PSQ
(ii)
∠MSN
(iii)
∠NSO
(iv)
∠QSM
(v)
∠OSP
Question
3
3.
Which of the following is the largest angle in the given figure?
(i)
∠IOK
(ii)
∠HOJ
(iii)
∠IOJ
(iv)
∠HOI
(v)
∠HOK
Question
4
4.
The name of the given angle is
(i)
∠LKO
(ii)
∠KOL
(iii)
△KOL
(iv)
∠KLO
(v)
∠KL
Question
5
5.
Identify the figure below
(i)
angle
(ii)
nonagon
(iii)
decagon
(iv)
quadrilateral
(v)
triangle
Question
6
6.
The following angle represents
(i)
zero angle
(ii)
reflex angle
(iii)
complete angle
(iv)
acute angle
(v)
obtuse angle
Question
7
7.
The following angle represents
(i)
obtuse angle
(ii)
zero angle
(iii)
acute angle
(iv)
reflex angle
(v)
straight angle
Question
8
8.
The following angle represents
(i)
zero angle
(ii)
complete angle
(iii)
straight angle
(iv)
right angle
(v)
acute angle
Question
9
9.
The following angle represents
(i)
right angle
(ii)
complete angle
(iii)
straight angle
(iv)
zero angle
(v)
reflex angle
Question
10
10.
The following angle represents
(i)
zero angle
(ii)
acute angle
(iii)
straight angle
(iv)
complete angle
(v)
obtuse angle
Question
11
11.
The following angle represents
(i)
straight angle
(ii)
zero angle
(iii)
reflex angle
(iv)
right angle
(v)
obtuse angle
Question
12
12.
The following angle represents
(i)
complete angle
(ii)
straight angle
(iii)
zero angle
(iv)
obtuse angle
(v)
reflex angle
Question
13
13.
The following angle represents
(i)
reflex angle
(ii)
acute angle
(iii)
zero angle
(iv)
obtuse angle
(v)
straight angle
Question
14
14.
The following angle represents
(i)
straight angle
(ii)
complete angle
(iii)
acute angle
(iv)
obtuse angle
(v)
zero angle
Question
15
15.
The following angle represents
(i)
acute angle
(ii)
zero angle
(iii)
complete angle
(iv)
right angle
(v)
straight angle
Question
16
16.
The following angle represents
(i)
straight angle
(ii)
acute angle
(iii)
complete angle
(iv)
reflex angle
(v)
right angle
Question
17
17.
The following angle represents
(i)
reflex angle
(ii)
straight angle
(iii)
acute angle
(iv)
complete angle
(v)
zero angle
Question
18
18.
The following angle represents
(i)
zero angle
(ii)
right angle
(iii)
straight angle
(iv)
reflex angle
(v)
acute angle
Question
19
19.
The following angle represents
(i)
reflex angle
(ii)
acute angle
(iii)
zero angle
(iv)
obtuse angle
(v)
right angle
Question
20
20.
State the angle between the two hands of the clock when the time is 3 A.M.
(i)
95°
(ii)
120°
(iii)
90°
(iv)
100°
(v)
105°
Question
21
21.
What fraction of clockwise revolution does the hour hand of a clock covers, when it goes from 1 to 3?
(i)
(
-1
6
)
(ii)
1
4
(iii)
1
6
(iv)
1
8
(v)
1
2
Question
22
22.
Find the number of right angles covered by the hour hand of clock when it goes from 12 to 2
(i)
0
(ii)
4
(iii)
1
(iv)
3
(v)
2
Question
23
23.
Where will the hour hand of a clock stop, if it starts from 1 and turns through 2 right angles?
(i)
7
(ii)
6
(iii)
9
(iv)
5
(v)
8
Question
24
24.
Which of the following are adjacent angles in the below figure?
(i)
∠DOE , ∠BOC
(ii)
∠EOA , ∠BOC
(iii)
∠AOB , ∠BOC
(iv)
∠COD , ∠EOA
(v)
∠BOC , ∠DOE
Question
25
25.
Which of the following angles form a linear pair?
(i)
(∠BOC,∠COD)
(ii)
(∠AOB,∠BOC)
(iii)
(∠DOE,∠EOA)
(iv)
(∠COD,∠DOE)
Question
26
26.
Find the value of 'z' in the following figure
(i)
62°
(ii)
72°
(iii)
67°
(iv)
57°
(v)
87°
Question
27
27.
Find the value of 'f' in the following figure
(i)
11
(ii)
7
(iii)
9
(iv)
10
(v)
8
Question
28
28.
Which of the following is an acute angle?
(i)
169°
(ii)
21°
(iii)
180°
(iv)
360°
(v)
288°
Question
29
29.
Which of the following is an obtuse angle?
(i)
276°
(ii)
23°
(iii)
90°
(iv)
135°
(v)
0°
Question
30
30.
Which of the following is a right angle?
(i)
298°
(ii)
90°
(iii)
151°
(iv)
86°
(v)
360°
Question
31
31.
Which of the following is a straight angle?
(i)
120°
(ii)
360°
(iii)
313°
(iv)
180°
(v)
64°
Question
32
32.
Which of the following is a complete angle?
(i)
0°
(ii)
360°
(iii)
39°
(iv)
180°
(v)
90°
Question
33
33.
Which of the following is a zero angle?
(i)
360°
(ii)
327°
(iii)
153°
(iv)
0°
(v)
81°
Question
34
34.
Which of the following is a reflex angle?
(i)
111°
(ii)
48°
(iii)
310°
(iv)
90°
(v)
0°
Question
35
35.
Which of the following are adjacent angles in the below figure?
(i)
∠HOI , ∠FOG
(ii)
∠EOF , ∠FOG
(iii)
∠GOE , ∠IOJ
(iv)
∠IOJ , ∠FOG
(v)
∠FOG , ∠HOI
Question
36
36.
Find the value of b in the figure below
(i)
16
(ii)
20
(iii)
19
(iv)
18
(v)
21
Question
37
37.
Which of the given figures is correct?
(i)
IV
(ii)
I
(iii)
II
(iv)
III
Question
38
38.
The complementary angle of
24°
is
(i)
96°
(ii)
81°
(iii)
66°
(iv)
71°
(v)
76°
Question
39
39.
The supplementary angle of
90°
is
(i)
105°
(ii)
120°
(iii)
90°
(iv)
100°
(v)
95°
Question
40
40.
Find the complementary angles pair in the following
(i)
83°,77°
(ii)
43°,47°
(iii)
33°,47°
(iv)
53°,57°
(v)
73°,67°
Question
41
41.
Find the supplementary angles pair in the following
(i)
143°,37°
(ii)
133°,37°
(iii)
183°,67°
(iv)
153°,47°
(v)
173°,57°
Assignment Key
1) (ii)
2) (v)
3) (v)
4) (ii)
5) (i)
6) (iv)
7) (i)
8) (iv)
9) (iii)
10) (iv)
11) (ii)
12) (v)
13) (ii)
14) (iv)
15) (iv)
16) (i)
17) (iv)
18) (i)
19) (i)
20) (iii)
21) (iii)
22) (i)
23) (i)
24) (iii)
25) (iv)
26) (iv)
27) (iii)
28) (ii)
29) (iv)
30) (ii)
31) (iv)
32) (ii)
33) (iv)
34) (iii)
35) (ii)
36) (iii)
37) (iii)
38) (iii)
39) (iii)
40) (ii)
41) (i)
