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 5
  • (ii)
    fig 2
  • (iii)
    fig 3
  • (iv)
    fig 1
  • (v)
    fig 4
Question 2
2.
The name of angle 1 in the given figure is
  • (i)
    ∠JOC
  • (ii)
    ∠DOE
  • (iii)
    ∠COD
  • (iv)
    ∠GOH
  • (v)
    ∠FOG
Question 3
3.
Which of the following is the largest angle in the given figure?
  • (i)
    ∠FOG
  • (ii)
    ∠EOF
  • (iii)
    ∠EOH
  • (iv)
    ∠FOH
  • (v)
    ∠EOG
Question 4
4.
The name of the given angle is
  • (i)
    ∠DEO
  • (ii)
    △DOE
  • (iii)
    ∠DE
  • (iv)
    ∠EDO
  • (v)
    ∠DOE
Question 5
5.
Identify the figure below
  • (i)
    nonagon
  • (ii)
    triangle
  • (iii)
    octagon
  • (iv)
    heptagon
  • (v)
    angle
Question 6
6.
The following angle represents
  • (i)
    acute angle
  • (ii)
    zero angle
  • (iii)
    obtuse angle
  • (iv)
    reflex angle
  • (v)
    straight angle
Question 7
7.
The following angle represents
  • (i)
    right angle
  • (ii)
    reflex angle
  • (iii)
    obtuse angle
  • (iv)
    straight angle
  • (v)
    acute angle
Question 8
8.
The following angle represents
  • (i)
    right angle
  • (ii)
    acute angle
  • (iii)
    straight angle
  • (iv)
    obtuse angle
  • (v)
    complete angle
Question 9
9.
The following angle represents
  • (i)
    acute angle
  • (ii)
    obtuse angle
  • (iii)
    straight angle
  • (iv)
    complete angle
  • (v)
    right angle
Question 10
10.
The following angle represents
  • (i)
    right angle
  • (ii)
    complete angle
  • (iii)
    acute angle
  • (iv)
    reflex angle
  • (v)
    zero angle
Question 11
11.
The following angle represents
  • (i)
    right angle
  • (ii)
    reflex angle
  • (iii)
    straight angle
  • (iv)
    acute angle
  • (v)
    zero angle
Question 12
12.
The following angle represents
  • (i)
    zero angle
  • (ii)
    right angle
  • (iii)
    reflex angle
  • (iv)
    acute angle
  • (v)
    obtuse angle
Question 13
13.
The following angle represents
  • (i)
    zero angle
  • (ii)
    right angle
  • (iii)
    acute angle
  • (iv)
    complete angle
  • (v)
    reflex angle
Question 14
14.
The following angle represents
  • (i)
    obtuse angle
  • (ii)
    complete angle
  • (iii)
    zero angle
  • (iv)
    reflex angle
  • (v)
    acute angle
Question 15
15.
The following angle represents
  • (i)
    reflex angle
  • (ii)
    right angle
  • (iii)
    straight angle
  • (iv)
    zero angle
  • (v)
    complete angle
Question 16
16.
The following angle represents
  • (i)
    straight angle
  • (ii)
    acute angle
  • (iii)
    right angle
  • (iv)
    zero angle
  • (v)
    obtuse angle
Question 17
17.
The following angle represents
  • (i)
    obtuse angle
  • (ii)
    complete angle
  • (iii)
    right angle
  • (iv)
    zero angle
  • (v)
    acute angle
Question 18
18.
The following angle represents
  • (i)
    right angle
  • (ii)
    obtuse angle
  • (iii)
    acute angle
  • (iv)
    zero angle
  • (v)
    complete angle
Question 19
19.
The following angle represents
  • (i)
    right angle
  • (ii)
    obtuse angle
  • (iii)
    reflex angle
  • (iv)
    zero angle
  • (v)
    complete angle
Question 20
20.
    • The complementary angle of
    • 24°
    • is
  • (i)
    81°
  • (ii)
    96°
  • (iii)
    76°
  • (iv)
    66°
  • (v)
    71°
Question 21
21.
    • The supplementary angle of
    • 35°
    • is
  • (i)
    150°
  • (ii)
    160°
  • (iii)
    155°
  • (iv)
    145°
  • (v)
    175°
Question 22
22.
    • Find the complementary angles pair in the following
  • (i)
    75°,65°
  • (ii)
    35°,45°
  • (iii)
    45°,45°
  • (iv)
    85°,75°
  • (v)
    55°,55°
Question 23
23.
    • Find the supplementary angles pair in the following
  • (i)
    81°,99°
  • (ii)
    111°,119°
  • (iii)
    121°,129°
  • (iv)
    71°,99°
  • (v)
    91°,109°
Question 24
24.
Which of the following are adjacent angles in the below figure?
  • (i)
    ∠TOP , ∠QOR
  • (ii)
    ∠ROS , ∠TOP
  • (iii)
    ∠SOT , ∠QOR
  • (iv)
    ∠POQ , ∠QOR
  • (v)
    ∠QOR , ∠SOT
Question 25
25.
Which of the following angles form a linear pair?
  • (i)
    (∠AOB,∠BOC)
  • (ii)
    (∠DOE,∠EOA)
  • (iii)
    (∠BOC,∠COD)
  • (iv)
    (∠COD,∠DOE)
Question 26
26.
Find the value of 'm' in the following figure
  • (i)
    76°
  • (ii)
    61°
  • (iii)
    56°
  • (iv)
    51°
  • (v)
    46°
Question 27
27.
Find the value of 'k' in the following figure
  • (i)
    4
  • (ii)
    5
  • (iii)
    3
  • (iv)
    1
  • (v)
    2
Question 28
28.
Which of the following are adjacent angles in the below figure?
  • (i)
    ∠LOJ , ∠NOO
  • (ii)
    ∠MON , ∠KOL
  • (iii)
    ∠JOK , ∠KOL
  • (iv)
    ∠NOO , ∠KOL
  • (v)
    ∠KOL , ∠MON
Question 29
29.
    • Find the complementary angle of
    •  
    • 66 °   10 '   20 "
  • (i)
    23 °   49 '   40 "
  • (ii)
    23 °   49 '   50 "
  • (iii)
    8 °   39 '   40 "
  • (iv)
    23 °   59 '   40 "
  • (v)
    33 °   49 '   40 "
Question 30
30.
    • Find the supplementary angle of
    •  
    • 19 °   6 '   46 "
  • (i)
    170 °   53 '   14 "
  • (ii)
    160 °   53 '   24 "
  • (iii)
    160 °   53 '   14 "
  • (iv)
    161 °   3 '   14 "
  • (v)
    145 °   43 '   14 "
Question 31
31.
    • Which of the following pairs of angles are complementary?
  • (i)
      • 26 °   12 '   11 "
      • ,
      • 63 °   47 '   49 "
  • (ii)
      • 26 °   12 '   11 "
      • ,
      • 63 °   57 '   49 "
  • (iii)
      • 26 °   22 '   11 "
      • ,
      • 63 °   27 '   49 "
  • (iv)
      • 26 °   12 '   11 "
      • ,
      • 63 °   37 '   49 "
  • (v)
      • 26 °   2 '   11 "
      • ,
      • 63 °   47 '   49 "
Question 32
32.
    • Which of the following pairs of angles are supplementary?
  • (i)
      • 19 °   16 '   48 "
      • ,
      • 160 °   43 '   12 "
  • (ii)
      • 19 °   16 '   48 "
      • ,
      • 160 °   33 '   12 "
  • (iii)
      • 19 °   6 '   48 "
      • ,
      • 160 °   43 '   12 "
  • (iv)
      • 19 °   16 '   48 "
      • ,
      • 160 °   53 '   12 "
  • (v)
      • 19 °   26 '   48 "
      • ,
      • 160 °   23 '   12 "
Question 33
33.
Find the value of a in the figure below
  • (i)
    10
  • (ii)
    11
  • (iii)
    13
  • (iv)
    9
  • (v)
    8
Question 34
34.
Which of the given figures is correct?
  • (i)
    IV
  • (ii)
    III
  • (iii)
    I
  • (iv)
    II
Question 35
35.
Which of the following is an acute angle?
  • (i)
    90°
  • (ii)
  • (iii)
    38°
  • (iv)
    360°
  • (v)
    160°
Question 36
36.
Which of the following is an obtuse angle?
  • (i)
    180°
  • (ii)
    137°
  • (iii)
    360°
  • (iv)
    34°
  • (v)
    90°
Question 37
37.
Which of the following is a right angle?
  • (i)
    145°
  • (ii)
    90°
  • (iii)
  • (iv)
    360°
  • (v)
    325°
Question 38
38.
Which of the following is a straight angle?
  • (i)
    59°
  • (ii)
    360°
  • (iii)
    180°
  • (iv)
    90°
  • (v)
    219°
Question 39
39.
Which of the following is a complete angle?
  • (i)
    180°
  • (ii)
    190°
  • (iii)
    360°
  • (iv)
    166°
  • (v)
    90°
Question 40
40.
Which of the following is a zero angle?
  • (i)
    336°
  • (ii)
    165°
  • (iii)
    180°
  • (iv)
  • (v)
    89°
Question 41
41.
Which of the following is a reflex angle?
  • (i)
    294°
  • (ii)
    31°
  • (iii)
    90°
  • (iv)
    360°
  • (v)
    158°
    Assignment Key

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