ICSE Board Practice

ICSE Grade VII - Lines and Angles
Question 1
1.
Which of the following is an acute angle?
  • 269°
  • 90°
  • 180°
  • 44°
Question 2
2.
    • Which of the following pairs of angles are complementary?
      • 31 °   42 '   57 "
      • ,
      • 58 °   7 '   3 "
      • 31 °   32 '   57 "
      • ,
      • 58 °   27 '   3 "
      • 31 °   32 '   57 "
      • ,
      • 58 °   37 '   3 "
      • 31 °   22 '   57 "
      • ,
      • 58 °   27 '   3 "
      • 31 °   32 '   57 "
      • ,
      • 58 °   17 '   3 "
Question 3
3.
The following angle represents
  • reflex angle
  • acute angle
  • zero angle
  • obtuse angle
  • right angle
Question 4
4.
    • The complementary angle of
    • 69°
    • is
  • 36°
  • 51°
  • 31°
  • 21°
  • 26°
Question 5
5.
    • Find the supplementary angle of
    •  
    • 24 °   29 '   2 "
  • 155 °   40 '   58 "
  • 165 °   30 '   58 "
  • 155 °   31 '   8 "
  • 155 °   30 '   58 "
  • 140 °   20 '   58 "
Question 6
6.
In the given figure, d , e , f , g , h , i  are lines in a plane. By looking at the figure, which of the following are true?
a)
    • g
    • is the transversal of
    • d
    • &
    • e
b)
    • d
    • e
c)
    • i
    • is the transversal of
    • f
    • &
    • d
d)
    • d
    • g
e)
    • h
    • is the transversal of
    • f
    • &
    • g
f)
    • d
    • is the transversal of
    • f
    • &
    • h
  • {f,b}
  • {d,a}
  • {d,f,c}
  • {d,e,a}
  • {a,b,c,e}
Question 7
7.
Which of the following are adjacent angles in the below figure?
  • ∠TOP , ∠QOR
  • ∠QOR , ∠SOT
  • ∠SOT , ∠QOR
  • ∠ROS , ∠TOP
  • ∠POQ , ∠QOR
Question 8
8.
State the type of angle between the two hands of the clock when the time is 4 A.M.
  • obtuse angle
  • acute angle
  • straight angle
  • right angle
  • reflex angle
Question 9
9.
The following angle represents
  • zero angle
  • acute angle
  • reflex angle
  • obtuse angle
  • straight angle
Question 10
10.
    • Add
    •  
    • 58 °   17 '   13 "
    •  
    • and
    •  
    • 20 °   19 '   44 "
  • 78 °   46 '   57 "
  • 63 °   26 '   57 "
  • 78 °   37 '   7 "
  • 88 °   36 '   57 "
  • 78 °   36 '   57 "