CBSE Board Practice

CBSE Grade VIII - Understanding Quadrilaterals
Question 1
1.
Name all quadrilaterals whose opposite angles are equal
  • square,kite
  • parallelogram,square,rhombus,rectangle
  • square,parallelogram
  • square,rhombus
  • square,rectangle
Question 2
2.
    • In rhombus
    • KLMN
    • , diagonals
    •  


      KM
       
       
    • and
    •  


      LN
       
       
    • intersect at
    • O
    • . Then
    • ∠OLM
    • ≠
  • ∠MNO
  • ∠KLO
  • ∠NOM
  • ∠ONK
Question 3
3.
OPQR is a rhombus in which ∠O = 120° .
 


PR
 
 
is the diagonal. Then △OPQ is
  • None of these
  • a scalene triangle
  • an equilateral triangle
  • an obtuse angled triangle
  • an isosceles triangle
Question 4
4.
The diagonals of the quadrilateral are
  •  


    FI
     
     
    ,
     


    EH
     
     
  •  


    FH
     
     
    ,
     


    EG
     
     
  •  


    FI
     
     
    ,
     


    EG
     
     
  •  


    GH
     
     
    ,
     


    EF
     
     
  •  


    GF
     
     
    ,
     


    EH
     
     
Question 5
5.
    • In the adjoining figure,
    • FGHI
    • is a rectangle.
    • If
    • ∠HFG = 40.36°
    • , find
    • ∠FGI
  • 40.36°
  • 39.36°
  • 41.36°
  • 42.36°
  • 38.36°
Question 6
6.
Name all quadrilaterals whose diagonals are equal
  • parallelogram,square,rhombus,rectangle
  • square,kite
  • square,rectangle
  • square,rhombus
  • rectangle,rhombus
Question 7
7.
    • In rhombus
    • JKLM
    • , diagonals
    •  


      JL
       
       
    • and
    •  


      KM
       
       
    • intersect at
    • N
    • . Then
    • ∠KNJ
    • ≠
  • ∠MNL
  • ∠JNM
  • ∠MJK
  • ∠LNK
Question 8
8.
Identify the figure below
  • circle
  • triangle
  • parallelogram
  • kite
  • rhombus
Question 9
9.
    • In the given figure,
    • DEFG
    • is a rectangle whose diagonals intersect at
    • H
    • .
    • Diagonal
    • DF
    • is produced to
    • T
    • and
    • ∠GFT =
    • 125.84°
    • . Find the angles of
    • △HEF
    • .
  • H
    =
    106.32°
    ,
    E
    =
    37.84°
    ,
    F
    =
    35.84°
  • H
    =
    110.32°
    ,
    E
    =
    35.84°
    ,
    F
    =
    33.84°
  • H
    =
    108.32°
    ,
    E
    =
    35.84°
    ,
    F
    =
    35.84°
  • H
    =
    108.32°
    ,
    E
    =
    33.84°
    ,
    F
    =
    37.84°
  • H
    =
    106.32°
    ,
    E
    =
    35.84°
    ,
    F
    =
    37.84°
Question 10
10.
How many diagonals does a hexagon have?
  • 9
  • 10
  • 8
  • 7
  • 12