ICSE Board Practice

ICSE Grade VIII - Triangles
Question 1
1.
In the given figure, which pair of triangles are not congruent ?
  • fig 1
  • fig 3
  • fig 4
  • fig 2
Question 2
2.
Which of the following are measures of a right angled triangle ?
  • BC = 12 cm , CD = 21 cm , DB = 13 cm
  • BC = 15 cm , CD = 14 cm , DB = 12 cm
  • BC = 10 cm , CD = 10 cm , DB = 10 cm
  • BC = 13 cm , CD = 13 cm , DB = 11 cm
  • BC = 10 cm , CD = 12 cm , DB = 15.62 cm
Question 3
3.
With the data in the figure, △AED ≅ △BEC by which property?
  • RHS Congruency
  • SAS Congruency
  • not congruent
  • ASA Congruency
  • SSS Congruency
Question 4
4.
    • The side opposite to the vertex
    • D
  •  


    GE
     
     
  •  


    EF
     
     
  •  


    DE
     
     
  •  


    FD
     
     
  •  


    DH
     
     
Question 5
5.
In the following figure, two sides of a triangle have been produced. Find all the angles of the triangle.
  • x
    =
    35°
    ,
    y
    =
    45°
    ,
    z
    =
    100°
  • x
    =
    37°
    ,
    y
    =
    45°
    ,
    z
    =
    98°
  • x
    =
    33°
    ,
    y
    =
    45°
    ,
    z
    =
    102°
  • x
    =
    33°
    ,
    y
    =
    47°
    ,
    z
    =
    100°
  • x
    =
    35°
    ,
    y
    =
    43°
    ,
    z
    =
    102°
Question 6
6.
In the given figure, △EFG ≅ △WVU. Which of the following are true?
a)
∠G = ∠U
b)
FG = WV
c)
∠F = ∠V
d)
FG = VU
e)
∠E = ∠U
  • {e,c}
  • {a,c,d}
  • {b,a,c}
  • {b,a}
  • {b,e,d}
Question 7
7.
In the given figure, NO ∥ PQ, ∠FCO = 63° and CD = EC. Find the measure of x.
  • x
    =
    56°
  • x
    =
    52°
  • x
    =
    54°
  • x
    =
    55°
  • x
    =
    53°
Question 8
8.
In the given figure , if GD ⟂ EF and ∠DEG = 50.96°, find ∠GDE
  • 38.04°
  • 39.04°
  • 41.04°
  • 37.04°
  • 40.04°
Question 9
9.
With the data in the given figure, △QEF ≅ △RFE by which property?
  • SSS Congruency
  • not congruent
  • SAS Congruency
  • ASA Congruency
  • RHS Congruency
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • EF = 12 cm , FG = 14 cm , GE = 12 cm
  • EF = 10 cm , FG = 11 cm , GE = 10 cm
  • EF = 15 cm , FG = 15 cm , GE = 21.21 cm
  • EF = 12 cm , FG = 12 cm , GE = 12 cm
  • EF = 11 cm , FG = 10 cm , GE = 12 cm