ICSE Board Practice

ICSE Grade VII - Symmetry, Reflection and Rotation
Question 1
1.
    • Write down the coordinates when reflected in the x-axis
    • (
      (
      8
      )
      ,
      (
      9
      )
      )
    • ,
    • (
      (
      5
      )
      ,
      5
      )
    • ,
    • (
      8
      ,
      (
      5
      )
      )
    • (
      (
      8
      )
      ,
      (
      9
      )
      )
    • ,
    • (
      (
      5
      )
      ,
      5
      )
    • ,
    • (
      7
      ,
      (
      4
      )
      )
    • (
      (
      8
      )
      ,
      (
      9
      )
      )
    • ,
    • (
      (
      3
      )
      ,
      7
      )
    • ,
    • (
      7
      ,
      (
      4
      )
      )
    • (
      (
      9
      )
      ,
      (
      8
      )
      )
    • ,
    • (
      (
      5
      )
      ,
      5
      )
    • ,
    • (
      7
      ,
      (
      4
      )
      )
    • (
      (
      8
      )
      ,
      (
      9
      )
      )
    • ,
    • (
      (
      5
      )
      ,
      5
      )
    • ,
    • (
      5
      ,
      (
      6
      )
      )
Question 2
2.
    • Write down the coordinates when reflected in the origin
    • (
      (
      8
      )
      ,
      7
      )
    • ,
    • (
      6
      ,
      (
      3
      )
      )
    • ,
    • (
      4
      ,
      (
      5
      )
      )
    • ,
    • (
      (
      8
      )
      ,
      3
      )
    • (
      10
      ,
      (
      5
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      3
      )
    • ,
    • (
      (
      4
      )
      ,
      5
      )
    • ,
    • (
      8
      ,
      (
      3
      )
      )
    • (
      8
      ,
      (
      7
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      3
      )
    • ,
    • (
      (
      3
      )
      ,
      4
      )
    • ,
    • (
      8
      ,
      (
      3
      )
      )
    • (
      8
      ,
      (
      7
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      3
      )
    • ,
    • (
      (
      4
      )
      ,
      5
      )
    • ,
    • (
      7
      ,
      (
      2
      )
      )
    • (
      8
      ,
      (
      7
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      3
      )
    • ,
    • (
      8
      ,
      (
      3
      )
      )
    • (
      8
      ,
      (
      7
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      3
      )
    • ,
    • (
      (
      4
      )
      ,
      5
      )
    • ,
    • (
      8
      ,
      (
      3
      )
      )
Question 3
3.
Which of the following figures have no line of symmetry?
a)
angle with equal arms
b)
scalene triangle
c)
angle with unequal arms
d)
equilateral triangle
e)
isosceles triangle
f)
line segment
  • {e,f,b}
  • {b,c}
  • {a,b}
  • {a,c,b}
  • {d,c}
Question 4
4.
If a figure has rotational symmetry of order 3, then it regain its shape after being rotated by an angle of
  • 103°
  • 145°
  • 120°
  • 128°
  • 96°
Question 5
5.
    • Which of the following points is invariant under reflection in x-axis
  • (
    5
    ,
    1
    )
  • (
    (
    2
    )
    ,
    0
    )
  • (
    (
    9
    )
    ,
    (
    1
    )
    )
  • (
    4
    ,
    (
    7
    )
    )
  • (
    (
    4
    )
    ,
    9
    )
Question 6
6.
Identify the line(s) of symmetry in the following figure
  • none
  • { p, q, r }
  • r
  • q
  • p
Question 7
7.
A median is an axis of symmetry in which of the given figures?
a)
isosceles right angled triangle
b)
isosceles triangle
c)
right angle triangle
d)
equilateral triangle
e)
scalene triangle
  • {e,b}
  • {a,b,d}
  • {c,a}
  • {c,a,b}
  • {c,e,d}
Question 8
8.
A figure possesses point symmetry if it regain its shape after rotating
  • 270°
  • 90°
  • 360°
  • 180°
Question 9
9.
Which of the following English alphabet letters does not have point symmetry?
  • C
  • Z
  • N
  • X
  • O
Question 10
10.
    • Write down the coordinates when reflected in the x-axis
    • (
      (
      1
      )
      ,
      (
      1
      )
      )
    • ,
    • (
      4
      ,
      (
      8
      )
      )
    • ,
    • (
      (
      5
      )
      ,
      (
      3
      )
      )
    • ,
    • (
      7
      ,
      6
      )
    • (
      1
      ,
      1
      )
    • ,
    • (
      4
      ,
      (
      8
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      (
      2
      )
      )
    • ,
    • (
      7
      ,
      6
      )
    • (
      (
      1
      )
      ,
      (
      1
      )
      )
    • ,
    • (
      4
      ,
      (
      8
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      (
      2
      )
      )
    • ,
    • (
      6
      ,
      7
      )
    • (
      (
      1
      )
      ,
      (
      1
      )
      )
    • ,
    • (
      4
      ,
      (
      8
      )
      )
    • ,
    • (
      (
      6
      )
      ,
      (
      2
      )
      )
    • ,
    • (
      7
      ,
      6
      )
    • (
      (
      1
      )
      ,
      (
      1
      )
      )
    • ,
    • (
      4
      ,
      (
      8
      )
      )
    • ,
    • (
      (
      8
      )
      ,
      (
      4
      )
      )
    • ,
    • (
      7
      ,
      6
      )