ICSE Board Practice

ICSE Grade VII - Triangles
Question 1
1.
Which of the following are measures of an equilateral triangle ?
  • CD = 14 cm , DE = 14 cm , EC = 19.8 cm
  • CD = 10 cm , DE = 13 cm , EC = 16.4 cm
  • CD = 15 cm , DE = 15 cm , EC = 15 cm
  • CD = 11 cm , DE = 13 cm , EC = 14 cm
  • CD = 13 cm , DE = 14 cm , EC = 13 cm
Question 2
2.
In the given figure, if IF = GI and FJ = JH , find the value of x.
  • x
    =
    58.36°
  • x
    =
    54.36°
  • x
    =
    57.36°
  • x
    =
    56.36°
  • x
    =
    55.36°
Question 3
3.
In the given figure, NO ∥ PQ, ∠KHO = 65° and HI = JH. Find the measure of x.
  • x
    =
    51°
  • x
    =
    49°
  • x
    =
    50°
  • x
    =
    48°
  • x
    =
    52°
Question 4
4.
    • The altitude corresponding to the side
    •  


      IG
       
       
  •  


    GJ
     
     
  •  


    IL
     
     
  •  


    GH
     
     
  •  


    GK
     
     
  •  


    HK
     
     
Question 5
5.
Which of the following are measures of an acute angled triangle ?
  • ∠N = 61.28° , ∠O = 70.81° , ∠P = 47.91°
  • ∠N = 45° , ∠O = 90° , ∠P = 45°
  • ∠N = 39.81° , ∠O = 90° , ∠P = 50.19°
  • ∠N = 100.29° , ∠O = 43.53° , ∠P = 36.18°
  • ∠N = 106.73° , ∠O = 43.16° , ∠P = 30.11°
Question 6
6.
In  △FGH, if ∠F = 70° and ∠G = ∠H, find the measure of each of the equal angles of the triangle
  • 54°
  • 56°
  • 57°
  • 55°
  • 53°
Question 7
7.
    • The angles of the triangle are
  • ∠F , ∠G , ∠H
  • ∠D , ∠E , ∠F
  • ∠D , ∠E , ∠G
  • ∠E , ∠F , ∠H
  • ∠E , ∠F , ∠G
Question 8
8.
    • The altitude corresponding to the side
    •  


      PQ
       
       
  •  


    OS
     
     
  •  


    OR
     
     
  •  


    OP
     
     
  •  


    PS
     
     
  •  


    QT
     
     
Question 9
9.
Which of the following are measures of an equilateral triangle ?
  • ∠N = 59.49° , ∠O = 67.38° , ∠P = 53.13°
  • ∠N = 60° , ∠O = 60° , ∠P = 60°
  • ∠N = 45° , ∠O = 90° , ∠P = 45°
  • ∠N = 52.43° , ∠O = 90° , ∠P = 37.57°
  • ∠N = 72.44° , ∠O = 53.78° , ∠P = 53.78°
Question 10
10.
Which of the following are measures of an acute angled triangle ?
  • ∠B = 121.19° , ∠C = 34.77° , ∠D = 24.04°
  • ∠B = 112.88° , ∠C = 33.56° , ∠D = 33.56°
  • ∠B = 55.83° , ∠C = 74.85° , ∠D = 49.32°
  • ∠B = 45° , ∠C = 90° , ∠D = 45°
  • ∠B = 53.75° , ∠C = 90° , ∠D = 36.25°