ICSE Board Practice

ICSE Grade VIII - Lines and Angles
Question 1
1.
Find the co-interior angles in the given figure
  • ∠1 , ∠5 ; ∠2 , ∠6 ; ∠3 , ∠7 ; ∠4 , ∠8
  • ∠1 , ∠4 ; ∠2 , ∠3 ; ∠5 , ∠8 ; ∠6 , ∠7
  • ∠1 , ∠2 , ∠7 , ∠8
  • ∠3 , ∠5 ; ∠4 , ∠6
  • ∠1 , ∠8 ; ∠2 , ∠7
Question 2
2.
Identify the figure below
  • nonagon
  • triangle
  • circle
  • quadrilateral
  • line
Question 3
3.
Which of the following is a straight angle?
  • 126°
  • 180°
  • 90°
  • 74°
  • 227°
Question 4
4.
The following lines represent
  • intersecting lines
  • concurrent lines
  • parallel lines
  • coplanar lines
  • perpendicular lines
Question 5
5.
Which of the following is a zero angle?
  • 145°
  • 180°
  • 90°
  • 360°
Question 6
6.
Which of the given figures is wrong?
  • IV
  • II
  • I
  • III
Question 7
7.
The following lines represent
  • concurrent lines
  • intersecting lines
  • parallel lines
  • coplanar lines
  • perpendicular lines
Question 8
8.
Which of the following are adjacent angles in the below figure?
  • ∠LPM , ∠MPN
  • ∠NPL , ∠PPQ
  • ∠MPN , ∠OPP
  • ∠OPP , ∠MPN
  • ∠PPQ , ∠MPN
Question 9
9.
Which of the following is the largest angle in the given figure?
  • ∠QOS
  • ∠POR
  • ∠POS
  • ∠POQ
  • ∠QOR
Question 10
10.
    • Which of the following pairs of angles are complementary?
      • 31 °   24 '   42 "
      • ,
      • 58 °   25 '   18 "
      • 31 °   4 '   42 "
      • ,
      • 58 °   45 '   18 "
      • 31 °   14 '   42 "
      • ,
      • 58 °   55 '   18 "
      • 31 °   14 '   42 "
      • ,
      • 58 °   35 '   18 "
      • 31 °   14 '   42 "
      • ,
      • 58 °   45 '   18 "