ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Triangles
Question 1
1.
Calculate the value of x in the following figure
  • x
    =
    53.19°
  • x
    =
    49.19°
  • x
    =
    52.19°
  • x
    =
    51.19°
  • x
    =
    50.19°
Question 2
2.
With the data in the figure, △FGI ≅ △HGI by which property?
  • RHS Congruency
  • ASA Congruency
  • not congruent
  • SSS Congruency
  • SAS Congruency
Question 3
3.
Which of the following are measures of a right angled triangle ?
  • PQ = 11 cm , QR = 15 cm , RP = 13 cm
  • PQ = 14 cm , QR = 14 cm , RP = 14 cm
  • PQ = 15 cm , QR = 11 cm , RP = 18.6 cm
  • PQ = 13 cm , QR = 21 cm , RP = 13 cm
  • PQ = 14 cm , QR = 14 cm , RP = 15 cm
Question 4
4.
In the given figure, find the values of x ,y and z.
  • x
    =
    30°
    ,
    y
    =
    34°
    ,
    z
    =
    64°
  • x
    =
    32°
    ,
    y
    =
    32°
    ,
    z
    =
    64°
  • x
    =
    32°
    ,
    y
    =
    30°
    ,
    z
    =
    66°
  • x
    =
    30°
    ,
    y
    =
    32°
    ,
    z
    =
    66°
  • x
    =
    34°
    ,
    y
    =
    32°
    ,
    z
    =
    62°
Question 5
5.
With the data in the figure, △BDE ≅ △DBC by which property?
  • SSS Congruency
  • RHS Congruency
  • SAS Congruency
  • ASA Congruency
  • not congruent
Question 6
6.
Two poles of heights 7 m and 15 m stand vertically on a plane ground. If the distance between their feet is 11 m, find the distance between their tops
  • 14.60 m
  • 13.60 m
  • 15.60 m
  • 11.60 m
  • 12.60 m
Question 7
7.
In the given figure, O is a point in the interior of the rectangle BCDE. Then
      • OB
        2
      • +
      • OD
        2
      • =
      • OC
        2
      • +
      • OE
        2
      • OB
        2
      • +
      • OC
        2
      • +
      • OD
        2
      • +
      • OE
        2
      • =
      • BD
        2
      • +
      • CE
        2
      • OB
        2
      • −
      • OD
        2
      • =
      • OC
        2
      • −
      • OE
        2
      • OB
        2
      • +
      • OC
        2
      • +
      • OD
        2
      • +
      • OE
        2
      • =
      • BC
        2
      • +
      • CD
        2
      • +
      • DE
        2
      • +
      • EB
        2
Question 8
8.
    • The vertex opposite to the side
    •  

      XV
       
       
  •  

    XY
     
     
  • W
  • V
  • Z
Question 9
9.
In the given figure, calculate the value of x.
  • x
    =
    20°
  • x
    =
    18°
  • x
    =
    22°
  • x
    =
    19°
  • x
    =
    21°
Question 10
10.
In below given figure, find ∠LJN
  • 102.49°
  • 101.49°
  • 104.49°
  • 105.49°
  • 103.49°