ICSE Board Practice

ICSE Grade IX - Quadrilaterals
Question 1
1.
    • In parallelogram
    • NOPQ
    • ,
    • diagonals
    •  


      OQ
       
       
    • and
    •  


      NP
       
       
    • intersect at
    • R
    • . Then
    • PQ
       
      =
  • OQ
  • OP
  • NP
  • QN
  • NO
Question 2
2.
How many diagonals does a quadrilateral have?
  • 1
  • 2
  • 0
  • 3
  • 4
Question 3
3.
    • In parallelogram
    • JKLM
    • ,
    • diagonals
    •  


      KM
       
       
    • and
    •  


      JL
       
       
    • intersect at
    • N
    • . Then
    • △KLM
       
  • △LMN
  • △JKN
  • △LMJ
  • △MJK
  • △JKL
Question 4
4.
    • In rhombus
    • ABCD
    • , diagonals
    •  


      AC
       
       
    • and
    •  


      BD
       
       
    • intersect at
    • E
    • . Then
    • AE
    • =
  • DA
  • CE
  • DE
  • BE
Question 5
5.
Identify the figure below
  • square
  • rectangle
  • trapezium
  • angle
  • rhombus
Question 6
6.
    • In rhombus
    • DEFG
    • , diagonals
    •  


      DF
       
       
    • and
    •  


      EG
       
       
    • intersect at
    • H
    • . Then
    • ∠FHE
  • ∠EHD
  • ∠GDE
  • ∠DHG
  • ∠GHF
Question 7
7.
Three angles of quadrilateral measure 80.9°, 67.38° and 103.04° respectively. Find the measure of the fourth angle
  • 110.68°
  • 107.68°
  • 106.68°
  • 108.68°
  • 109.68°
Question 8
8.
    • In the given figure, HIJK is a parallelogram
    • such that
    • L
    • and
    • M
    • are mid-points of sides
    • HI
    • &
    • JK
    • .
    • HM
    • meets
    • IK
    • at
    • S
    • and
    • JL
    • meets
    • IK
    • at
    • T
    • . Given
    • IK
    • =
    • 19 cm
    • , find
    • IT
  • 4.33 cm
  • 8.33 cm
  • 6.33 cm
  • 5.33 cm
  • 7.33 cm
Question 9
9.
Which of the following properties apply for a rectangle ?
a)
Diagonals bisect each other
b)
Adjacent sides are equal
c)
Opposite sides are equal
d)
Opposite sides are parallel
e)
Adjacent angles are equal
f)
Diagonals are equal
g)
Opposite angles are equal
  • {b,c}
  • {b,d}
  • {a,c,d,e,f,g}
  • {b,e,f}
  • {b,a}
Question 10
10.
    • In parallelogram
    • MNOP
    • ,
    • diagonals
    •  


      NP
       
       
    • and
    •  


      MO
       
       
    • intersect at
    • Q
    • . Then
    •  


      OP
       
       
       
  •  


    NO
     
     
  •  


    PM
     
     
  •  


    MO
     
     
  •  


    MN
     
     
  •  


    NP