CBSE Board Practice

CBSE Grade VII - The Triangle and its Properties
Question 1
1.
Which of the following are measures of an acute angled triangle ?
  • MN = 10 cm , NO = 12 cm , OM = 15.62 cm
  • MN = 10 cm , NO = 17 cm , OM = 11 cm
  • MN = 11 cm , NO = 11 cm , OM = 11 cm
  • MN = 15 cm , NO = 15 cm , OM = 21.21 cm
  • MN = 11 cm , NO = 21 cm , OM = 13 cm
Question 2
2.
In a right angled triangle, if one of the angles is 51.34°, find the third angle
  • 68.66°
  • 53.66°
  • 38.66°
  • 43.66°
  • 48.66°
Question 3
3.
    • The median corresponding to the side
    •  


      MK
       
       
  •  


    KL
     
     
  •  


    KO
     
     
  •  


    KN
     
     
  •  


    MP
     
     
  •  


    LO
     
     
Question 4
4.
In  △CDE, if ∠C = 80° and ∠D = ∠E, find the measure of each of the equal angles of the triangle
  • 50°
  • 52°
  • 48°
  • 51°
  • 49°
Question 5
5.
In a right-angled triangle if one of the acute angles is 57°, find the measure of the other acute angle.
  • 34°
  • 32°
  • 35°
  • 31°
  • 33°
Question 6
6.
Two angles of a triangle measure 52° and 58° respectively. Find the measure of the third angle of the triangle
  • 70°
  • 72°
  • 68°
  • 69°
  • 71°
Question 7
7.
Calculate the value of the lettered angle in the following figure
  • x
    =
    51.31°
  • x
    =
    50.31°
  • x
    =
    48.31°
  • x
    =
    49.31°
  • x
    =
    52.31°
Question 8
8.
Which of the following are measures of a right angled triangle ?
  • ∠F = 60° , ∠G = 60° , ∠H = 60°
  • ∠F = 57.42° , ∠G = 57.42° , ∠H = 65.16°
  • ∠F = 67.97° , ∠G = 59.41° , ∠H = 52.62°
  • ∠F = 37.57° , ∠G = 90° , ∠H = 52.43°
  • ∠F = 134.18° , ∠G = 19.19° , ∠H = 26.63°
Question 9
9.
Find the measures of the three angles suitable to form a triangle?
  • ∠M = 46.26° , ∠N = 66.87° , ∠O = 66.87°
  • ∠M = 30.80° , ∠N = 91.30° , ∠O = 100.10°
  • ∠M = 90.90° , ∠N = 94.90° , ∠O = 73.80°
  • ∠M = 111.90° , ∠N = 96.40° , ∠O = 109.10°
  • ∠M = 90.40° , ∠N = 115.60° , ∠O = 104.20°
Question 10
10.
Find the measures of the three sides suitable to form a triangle?
  • HI = 8 cm , IJ = 19 cm , JH = 8 cm
  • HI = 17 cm , IJ = 5 cm , JH = 7 cm
  • HI = 14 cm , IJ = 11 cm , JH = 11 cm
  • HI = 17 cm , IJ = 8 cm , JH = 5 cm
  • HI = 9 cm , IJ = 6 cm , JH = 17 cm