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)
  • (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)
  • (v)
    219°
Question 38
38.
Which of the following is a straight angle?
  • (i)
  • (ii)
    90°
  • (iii)
    180°
  • (iv)
    115°
  • (v)
    299°
Question 39
39.
Which of the following is a complete angle?
  • (i)
    271°
  • (ii)
    360°
  • (iii)
  • (iv)
    180°
  • (v)
    90°
Question 40
40.
Which of the following is a zero angle?
  • (i)
    22°
  • (ii)
    360°
  • (iii)
    341°
  • (iv)
  • (v)
    180°
Question 41
41.
Which of the following is a reflex angle?
  • (i)
  • (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)