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 3
  • (ii)
    fig 1
  • (iii)
    fig 4
  • (iv)
    fig 2
  • (v)
    fig 5
Question 2
2.
The name of angle 7 in the given figure is
  • (i)
    ∠SUM
  • (ii)
    ∠OUP
  • (iii)
    ∠PUQ
  • (iv)
    ∠MUN
  • (v)
    ∠QUR
Question 3
3.
Which of the following is the largest angle in the given figure?
  • (i)
    ∠UOW
  • (ii)
    ∠TOU
  • (iii)
    ∠TOV
  • (iv)
    ∠TOW
  • (v)
    ∠UOV
Question 4
4.
The name of the given angle is
  • (i)
    ∠STO
  • (ii)
    ∠TSO
  • (iii)
    △SOT
  • (iv)
    ∠SOT
  • (v)
    ∠ST
Question 5
5.
Identify the figure below
  • (i)
    octagon
  • (ii)
    circle
  • (iii)
    heptagon
  • (iv)
    angle
  • (v)
    triangle
Question 6
6.
The following angle represents
  • (i)
    obtuse angle
  • (ii)
    acute angle
  • (iii)
    straight angle
  • (iv)
    zero angle
  • (v)
    reflex angle
Question 7
7.
The following angle represents
  • (i)
    zero angle
  • (ii)
    complete angle
  • (iii)
    obtuse angle
  • (iv)
    reflex angle
  • (v)
    acute angle
Question 8
8.
The following angle represents
  • (i)
    right angle
  • (ii)
    obtuse angle
  • (iii)
    straight angle
  • (iv)
    zero angle
  • (v)
    reflex angle
Question 9
9.
The following angle represents
  • (i)
    acute angle
  • (ii)
    zero angle
  • (iii)
    right angle
  • (iv)
    straight angle
  • (v)
    obtuse angle
Question 10
10.
The following angle represents
  • (i)
    straight angle
  • (ii)
    zero angle
  • (iii)
    obtuse angle
  • (iv)
    complete angle
  • (v)
    right angle
Question 11
11.
The following angle represents
  • (i)
    obtuse angle
  • (ii)
    straight angle
  • (iii)
    zero angle
  • (iv)
    acute angle
  • (v)
    reflex angle
Question 12
12.
The following angle represents
  • (i)
    right angle
  • (ii)
    complete angle
  • (iii)
    reflex angle
  • (iv)
    acute angle
  • (v)
    straight angle
Question 13
13.
The following angle represents
  • (i)
    obtuse angle
  • (ii)
    straight angle
  • (iii)
    right angle
  • (iv)
    reflex angle
  • (v)
    acute angle
Question 14
14.
The following angle represents
  • (i)
    obtuse angle
  • (ii)
    reflex angle
  • (iii)
    right angle
  • (iv)
    straight angle
  • (v)
    acute angle
Question 15
15.
The following angle represents
  • (i)
    reflex angle
  • (ii)
    complete angle
  • (iii)
    zero angle
  • (iv)
    straight angle
  • (v)
    right angle
Question 16
16.
The following angle represents
  • (i)
    zero angle
  • (ii)
    right angle
  • (iii)
    complete angle
  • (iv)
    reflex angle
  • (v)
    straight angle
Question 17
17.
The following angle represents
  • (i)
    complete angle
  • (ii)
    right angle
  • (iii)
    reflex angle
  • (iv)
    zero angle
  • (v)
    straight angle
Question 18
18.
The following angle represents
  • (i)
    right angle
  • (ii)
    acute angle
  • (iii)
    reflex angle
  • (iv)
    zero angle
  • (v)
    straight angle
Question 19
19.
The following angle represents
  • (i)
    straight angle
  • (ii)
    right angle
  • (iii)
    reflex angle
  • (iv)
    complete angle
  • (v)
    acute angle
Question 20
20.
    • The complementary angle of
    • 34°
    • is
  • (i)
    61°
  • (ii)
    86°
  • (iii)
    66°
  • (iv)
    56°
  • (v)
    71°
Question 21
21.
    • The supplementary angle of
    • 42°
    • is
  • (i)
    148°
  • (ii)
    168°
  • (iii)
    153°
  • (iv)
    143°
  • (v)
    138°
Question 22
22.
    • Find the complementary angles pair in the following
  • (i)
    39°,41°
  • (ii)
    79°,61°
  • (iii)
    59°,51°
  • (iv)
    49°,41°
  • (v)
    89°,71°
Question 23
23.
    • Find the supplementary angles pair in the following
  • (i)
    143°,87°
  • (ii)
    113°,67°
  • (iii)
    153°,97°
  • (iv)
    103°,67°
  • (v)
    123°,77°
Question 24
24.
Which of the following are adjacent angles in the below figure?
  • (i)
    ∠KOG , ∠HOI
  • (ii)
    ∠GOH , ∠HOI
  • (iii)
    ∠HOI , ∠JOK
  • (iv)
    ∠JOK , ∠HOI
  • (v)
    ∠IOJ , ∠KOG
Question 25
25.
Which of the following angles form a linear pair?
  • (i)
    (∠AOB,∠BOC)
  • (ii)
    (∠COD,∠DOE)
  • (iii)
    (∠DOE,∠EOA)
  • (iv)
    (∠BOC,∠COD)
Question 26
26.
Find the value of 'n' in the following figure
  • (i)
    91°
  • (ii)
    66°
  • (iii)
    71°
  • (iv)
    76°
  • (v)
    61°
Question 27
27.
Find the value of 'k' in the following figure
  • (i)
    10
  • (ii)
    11
  • (iii)
    9
  • (iv)
    13
  • (v)
    7
Question 28
28.
Which of the following are adjacent angles in the below figure?
  • (i)
    ∠DOE , ∠EOF
  • (ii)
    ∠GOH , ∠EOF
  • (iii)
    ∠FOD , ∠HOI
  • (iv)
    ∠HOI , ∠EOF
  • (v)
    ∠EOF , ∠GOH
Question 29
29.
    • Find the complementary angle of
    •  
    • 54 °   54 '   30 "
  • (i)
    19 °   55 '   30 "
  • (ii)
    35 °   15 '   30 "
  • (iii)
    35 °   5 '   30 "
  • (iv)
    35 °   5 '   40 "
  • (v)
    45 °   5 '   30 "
Question 30
30.
    • Find the supplementary angle of
    •  
    • 76 °   22 '   44 "
  • (i)
    103 °   37 '   16 "
  • (ii)
    113 °   37 '   16 "
  • (iii)
    103 °   47 '   16 "
  • (iv)
    88 °   27 '   16 "
  • (v)
    103 °   37 '   26 "
Question 31
31.
    • Which of the following pairs of angles are complementary?
  • (i)
      • 54 °   33 '   29 "
      • ,
      • 35 °   16 '   31 "
  • (ii)
      • 54 °   23 '   29 "
      • ,
      • 35 °   26 '   31 "
  • (iii)
      • 54 °   13 '   29 "
      • ,
      • 35 °   36 '   31 "
  • (iv)
      • 54 °   23 '   29 "
      • ,
      • 35 °   46 '   31 "
  • (v)
      • 54 °   23 '   29 "
      • ,
      • 35 °   36 '   31 "
Question 32
32.
    • Which of the following pairs of angles are supplementary?
  • (i)
      • 73 °   29 '   26 "
      • ,
      • 106 °   20 '   34 "
  • (ii)
      • 73 °   39 '   26 "
      • ,
      • 106 °   10 '   34 "
  • (iii)
      • 73 °   39 '   26 "
      • ,
      • 106 °   30 '   34 "
  • (iv)
      • 73 °   39 '   26 "
      • ,
      • 106 °   20 '   34 "
  • (v)
      • 73 °   49 '   26 "
      • ,
      • 106 °   34 "
Question 33
33.
Find the value of i in the figure below
  • (i)
    15
  • (ii)
    17
  • (iii)
    16
  • (iv)
    18
  • (v)
    14
Question 34
34.
Which of the given figures is correct?
  • (i)
    I
  • (ii)
    IV
  • (iii)
    II
  • (iv)
    III
Question 35
35.
Which of the following is an acute angle?
  • (i)
    360°
  • (ii)
    286°
  • (iii)
  • (iv)
    90°
  • (v)
    84°
Question 36
36.
Which of the following is an obtuse angle?
  • (i)
    54°
  • (ii)
  • (iii)
    90°
  • (iv)
    154°
  • (v)
    306°
Question 37
37.
Which of the following is a right angle?
  • (i)
    360°
  • (ii)
    211°
  • (iii)
  • (iv)
    90°
  • (v)
    150°
Question 38
38.
Which of the following is a straight angle?
  • (i)
    263°
  • (ii)
    24°
  • (iii)
    180°
  • (iv)
    90°
  • (v)
Question 39
39.
Which of the following is a complete angle?
  • (i)
  • (ii)
    52°
  • (iii)
    90°
  • (iv)
    360°
  • (v)
    170°
Question 40
40.
Which of the following is a zero angle?
  • (i)
    180°
  • (ii)
    44°
  • (iii)
    360°
  • (iv)
    201°
  • (v)
Question 41
41.
Which of the following is a reflex angle?
  • (i)
    142°
  • (ii)
    335°
  • (iii)
    180°
  • (iv)
    360°
  • (v)
    90°
    Assignment Key

  •  1) (i)
  •  2) (i)
  •  3) (iv)
  •  4) (iv)
  •  5) (iv)
  •  6) (ii)
  •  7) (iii)
  •  8) (i)
  •  9) (iv)
  •  10) (iv)
  •  11) (iii)
  •  12) (iii)
  •  13) (v)
  •  14) (i)
  •  15) (v)
  •  16) (v)
  •  17) (i)
  •  18) (iv)
  •  19) (iii)
  •  20) (iv)
  •  21) (v)
  •  22) (iv)
  •  23) (ii)
  •  24) (ii)
  •  25) (ii)
  •  26) (v)
  •  27) (i)
  •  28) (i)
  •  29) (iii)
  •  30) (i)
  •  31) (v)
  •  32) (iv)
  •  33) (iii)
  •  34) (ii)
  •  35) (v)
  •  36) (iv)
  •  37) (iv)
  •  38) (iii)
  •  39) (iv)
  •  40) (v)
  •  41) (ii)