ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Triangles
Question 1
1.
In the given figure, find the value of x.
  • x
    =
    27°
  • x
    =
    29°
  • x
    =
    25°
  • x
    =
    26°
  • x
    =
    28°
Question 2
2.
Identify the figure below
  • octagon
  • circle
  • nonagon
  • triangle
  • hexagon
Question 3
3.
In the given figure, O is a point in the interior of the rectangle EFGH. Then
      • OE
        2
      • +
      • OF
        2
      • +
      • OG
        2
      • +
      • OH
        2
      • =
      • EF
        2
      • +
      • FG
        2
      • +
      • GH
        2
      • +
      • HE
        2
      • OE
        2
      • +
      • OG
        2
      • =
      • OF
        2
      • +
      • OH
        2
      • OE
        2
      • −
      • OG
        2
      • =
      • OF
        2
      • −
      • OH
        2
      • OE
        2
      • +
      • OF
        2
      • +
      • OG
        2
      • +
      • OH
        2
      • =
      • EG
        2
      • +
      • FH
        2
Question 4
4.
In the given figure, △IGH is an isosceles triangle. FJ ⟂ GH passing through I. △FIG ≅ △FIH by which property?
  • SSS Congruency
  • SAS Congruency
  • RHS Congruency
  • ASA Congruency
  • not congruent
Question 5
5.
    • In the given figure, △CDE is a triangle in which ∠D = 54° and ∠E = 55.8°.
    • If 'z' is the angle between the bisector of ∠D and ∠E, then find z.
  • 124.10°
  • 126.10°
  • 127.10°
  • 125.10°
  • 123.10°
Question 6
6.
In the given figure, △DEF ≅ △SRQ. Which of the following are true?
a)
∠D = ∠Q
b)
∠E = ∠R
c)
EF = SR
d)
EF = RQ
e)
∠F = ∠Q
  • {c,d}
  • {a,b,d}
  • {a,b}
  • {a,c,e}
  • {b,d,e}
Question 7
7.
In the given figure, which pair of triangles are not congruent ?
  • fig 3
  • fig 4
  • fig 1
  • fig 2
Question 8
8.
With the data in the figure, △CGF ≅ △DGE by which property?
  • not congruent
  • ASA Congruency
  • SSS Congruency
  • SAS Congruency
  • RHS Congruency
Question 9
9.
The foot of a ladder resting on a wall from the foot of the wall is 10 m. If the height of the top of the ladder from ground is 14 m, find the length of the ladder
  • 16.20 m
  • 17.20 m
  • 19.20 m
  • 15.20 m
  • 18.20 m
Question 10
10.
With the data in the figure, △GIJ ≅ △GIH by which property?
  • SSS Congruency
  • not congruent
  • SAS Congruency
  • RHS Congruency
  • ASA Congruency