ICSE Board Practice

ICSE Grade IX - Quadrilaterals
Question 1
1.
    • In rhombus
    • JKLM
    • , diagonals
    •  


      JL
       
       
    • and
    •  


      KM
       
       
    • intersect at
    • N
    • . Then
    • △NJK
  • △NJM
  • △NLK
  • △NLM
  • △MJK
Question 2
2.
Identify the figure below
  • angle
  • trapezium
  • kite
  • circle
  • square
Question 3
3.
Identify the figure below
  • circle
  • rectangle
  • square
  • rhombus
  • triangle
Question 4
4.
    • In rhombus
    • KLMN
    • , diagonals
    •  


      KM
       
       
    • and
    •  


      LN
       
       
    • intersect at
    • O
    • . Then
    • ∠OLM
  • ∠MNO
  • ∠KLO
  • ∠NOM
  • ∠ONK
Question 5
5.
    • In rhombus
    • PQRS
    • , diagonals
    •  


      PR
       
       
    • and
    •  


      QS
       
       
    • intersect at
    • T
    • . Then
    • ∠PTS
  • ∠RTQ
  • ∠STR
  • ∠SPQ
  • ∠QTP
Question 6
6.
EFGH is an isosceles trapezium. ES and FS are angular bisector of ∠E & ∠F. If ∠E = 65°, find ∠ESF
  • 113°
  • 117°
  • 114°
  • 116°
  • 115°
Question 7
7.
Name all quadrilaterals whose adjacent angles are supplementary
  • parallelogram,square,rhombus,rectangle
  • square,rectangle
  • rectangle,rhombus
  • square,rhombus
  • square,kite
Question 8
8.
    • In rhombus
    • OPQR
    • , diagonals
    •  


      OQ
       
       
    • and
    •  


      PR
       
       
    • intersect at
    • S
    • . Then
    • △ROP
  • △PQR
  • △QRO
  • △SOP
  • △OPQ
Question 9
9.
    • In the given
    • △GHI
    • ,
    • JH
    • =
    • 1

      4
    • GH
    • and
    • KI
    • =
    • 1

      4
    • GI
    • . If
    • JK = 14 cm
    • , find
    • HI
  • 16.67 cm
  • 18.67 cm
  • 20.67 cm
  • 19.67 cm
  • 17.67 cm
Question 10
10.
Identify the figure below
  • rhombus
  • square
  • parallelogram
  • angle
  • rectangle