EduSahara™ Assignment
Name : Angle Concepts
Chapter : Lines and Angles
Grade : ICSE Grade VIII
License : Non Commercial Use
Question
1
1.
Which of the following figures represent an angle?
(i)
fig 1
(ii)
fig 2
(iii)
fig 5
(iv)
fig 4
(v)
fig 3
Question
2
2.
The name of angle 6 in the given figure is
(i)
∠JPK
(ii)
∠LPM
(iii)
∠KPL
(iv)
∠NPI
(v)
∠MPN
Question
3
3.
Which of the following is the largest angle in the given figure?
(i)
∠JOK
(ii)
∠JOL
(iii)
∠IOK
(iv)
∠IOJ
(v)
∠IOL
Question
4
4.
The name of the given angle is
(i)
△BOC
(ii)
∠BOC
(iii)
∠BC
(iv)
∠CBO
(v)
∠BCO
Question
5
5.
Identify the figure below
(i)
decagon
(ii)
nonagon
(iii)
angle
(iv)
hexagon
(v)
circle
Question
6
6.
The following angle represents
(i)
obtuse angle
(ii)
straight angle
(iii)
acute angle
(iv)
complete angle
(v)
zero angle
Question
7
7.
The following angle represents
(i)
right angle
(ii)
acute angle
(iii)
straight angle
(iv)
obtuse angle
(v)
reflex angle
Question
8
8.
The following angle represents
(i)
straight angle
(ii)
obtuse angle
(iii)
acute angle
(iv)
right angle
(v)
reflex angle
Question
9
9.
The following angle represents
(i)
obtuse angle
(ii)
straight angle
(iii)
zero angle
(iv)
reflex angle
(v)
acute angle
Question
10
10.
The following angle represents
(i)
acute angle
(ii)
complete angle
(iii)
zero angle
(iv)
reflex angle
(v)
right angle
Question
11
11.
The following angle represents
(i)
acute angle
(ii)
obtuse angle
(iii)
zero angle
(iv)
right angle
(v)
complete angle
Question
12
12.
The following angle represents
(i)
acute angle
(ii)
complete angle
(iii)
straight angle
(iv)
reflex angle
(v)
obtuse angle
Question
13
13.
The following angle represents
(i)
straight angle
(ii)
zero angle
(iii)
acute angle
(iv)
right angle
(v)
reflex angle
Question
14
14.
The following angle represents
(i)
obtuse angle
(ii)
straight angle
(iii)
right angle
(iv)
complete angle
(v)
reflex angle
Question
15
15.
The following angle represents
(i)
zero angle
(ii)
obtuse angle
(iii)
right angle
(iv)
straight angle
(v)
reflex angle
Question
16
16.
The following angle represents
(i)
complete angle
(ii)
straight angle
(iii)
obtuse angle
(iv)
acute angle
(v)
zero angle
Question
17
17.
The following angle represents
(i)
acute angle
(ii)
reflex angle
(iii)
complete angle
(iv)
obtuse angle
(v)
right angle
Question
18
18.
The following angle represents
(i)
acute angle
(ii)
right angle
(iii)
straight angle
(iv)
reflex angle
(v)
zero angle
Question
19
19.
The following angle represents
(i)
zero angle
(ii)
acute angle
(iii)
reflex angle
(iv)
right angle
(v)
obtuse angle
Question
20
20.
The complementary angle of
67°
is
(i)
23°
(ii)
53°
(iii)
38°
(iv)
28°
(v)
33°
Question
21
21.
The supplementary angle of
12°
is
(i)
198°
(ii)
173°
(iii)
183°
(iv)
168°
(v)
178°
Question
22
22.
Find the complementary angles pair in the following
(i)
52°,38°
(ii)
62°,48°
(iii)
42°,38°
(iv)
82°,58°
(v)
92°,68°
Question
23
23.
Find the supplementary angles pair in the following
(i)
187°,13°
(ii)
167°,3°
(iii)
217°,33°
(iv)
177°,3°
(v)
207°,23°
Question
24
24.
Which of the following are adjacent angles in the below figure?
(i)
∠KOL , ∠IOJ
(ii)
∠IOJ , ∠KOL
(iii)
∠JOK , ∠LOH
(iv)
∠LOH , ∠IOJ
(v)
∠HOI , ∠IOJ
Question
25
25.
Which of the following angles form a linear pair?
(i)
(∠DOE,∠EOF)
(ii)
(∠EOF,∠FOG)
(iii)
(∠AOB,∠BOC)
(iv)
(∠BOC,∠COD)
(v)
(∠FOG,∠GOA)
Question
26
26.
Find the value of 'h' in the following figure
(i)
143°
(ii)
148°
(iii)
138°
(iv)
168°
(v)
153°
Question
27
27.
Find the value of 'b' in the following figure
(i)
6
(ii)
4
(iii)
8
(iv)
5
(v)
7
Question
28
28.
Which of the following are adjacent angles in the below figure?
(i)
∠ORP , ∠QRR
(ii)
∠PRN , ∠RRS
(iii)
∠QRR , ∠ORP
(iv)
∠NRO , ∠ORP
(v)
∠RRS , ∠ORP
Question
29
29.
Find the complementary angle of
10
°
3
'
27
"
(i)
89
°
56
'
33
"
(ii)
80
°
6
'
33
"
(iii)
64
°
46
'
33
"
(iv)
79
°
56
'
43
"
(v)
79
°
56
'
33
"
Question
30
30.
Find the supplementary angle of
25
°
53
'
53
"
(i)
154
°
16
'
7
"
(ii)
138
°
56
'
7
"
(iii)
154
°
6
'
7
"
(iv)
154
°
6
'
17
"
(v)
164
°
6
'
7
"
Question
31
31.
Which of the following pairs of angles are complementary?
(i)
28
°
16
'
20
"
,
61
°
53
'
40
"
(ii)
28
°
16
'
20
"
,
61
°
33
'
40
"
(iii)
28
°
6
'
20
"
,
61
°
43
'
40
"
(iv)
28
°
26
'
20
"
,
61
°
23
'
40
"
(v)
28
°
16
'
20
"
,
61
°
43
'
40
"
Question
32
32.
Which of the following pairs of angles are supplementary?
(i)
76
°
53
'
16
"
,
103
°
16
'
44
"
(ii)
77
°
3
'
16
"
,
102
°
46
'
44
"
(iii)
76
°
53
'
16
"
,
102
°
56
'
44
"
(iv)
76
°
53
'
16
"
,
103
°
6
'
44
"
(v)
76
°
43
'
16
"
,
103
°
6
'
44
"
Question
33
33.
Find the value of j in the figure below
(i)
17
(ii)
18
(iii)
16
(iv)
15
(v)
20
Question
34
34.
Which of the given figures is correct?
(i)
III
(ii)
I
(iii)
II
(iv)
IV
Question
35
35.
Which of the following is an acute angle?
(i)
180°
(ii)
0°
(iii)
124°
(iv)
90°
(v)
34°
Question
36
36.
Which of the following is an obtuse angle?
(i)
123°
(ii)
360°
(iii)
180°
(iv)
206°
(v)
43°
Question
37
37.
Which of the following is a right angle?
(i)
180°
(ii)
360°
(iii)
90°
(iv)
0°
(v)
219°
Question
38
38.
Which of the following is a straight angle?
(i)
0°
(ii)
90°
(iii)
180°
(iv)
115°
(v)
299°
Question
39
39.
Which of the following is a complete angle?
(i)
271°
(ii)
360°
(iii)
0°
(iv)
180°
(v)
90°
Question
40
40.
Which of the following is a zero angle?
(i)
22°
(ii)
360°
(iii)
341°
(iv)
0°
(v)
180°
Question
41
41.
Which of the following is a reflex angle?
(i)
0°
(ii)
240°
(iii)
360°
(iv)
83°
(v)
105°
Assignment Key
1) (v)
2) (iv)
3) (v)
4) (ii)
5) (iii)
6) (iii)
7) (iv)
8) (iv)
9) (ii)
10) (ii)
11) (iii)
12) (iv)
13) (iii)
14) (i)
15) (iii)
16) (ii)
17) (iii)
18) (v)
19) (iii)
20) (i)
21) (iv)
22) (i)
23) (iv)
24) (v)
25) (ii)
26) (iii)
27) (i)
28) (iv)
29) (v)
30) (iii)
31) (v)
32) (iv)
33) (i)
34) (ii)
35) (v)
36) (i)
37) (iii)
38) (iii)
39) (ii)
40) (iv)
41) (ii)