EduSahara™ Assignment
Name : Types of Triangles
Chapter : Triangles
Grade : ICSE Grade VI
License : Non Commercial Use
Question 1
1.
Which of the following are measures of an equilateral triangle ?
  • (i)
    HI = 10 cm , IJ = 11 cm , JH = 13 cm
  • (ii)
    HI = 13 cm , IJ = 13 cm , JH = 18.38 cm
  • (iii)
    HI = 11 cm , IJ = 10 cm , JH = 14.87 cm
  • (iv)
    HI = 13 cm , IJ = 13 cm , JH = 13 cm
  • (v)
    HI = 15 cm , IJ = 10 cm , JH = 15 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    MN = 10 cm , NO = 15 cm , OM = 12 cm
  • (ii)
    MN = 13 cm , NO = 11 cm , OM = 13 cm
  • (iii)
    MN = 13 cm , NO = 10 cm , OM = 15 cm
  • (iv)
    MN = 10 cm , NO = 14 cm , OM = 17.2 cm
  • (v)
    MN = 13 cm , NO = 13 cm , OM = 13 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    FG = 13 cm , GH = 13 cm , HF = 18.38 cm
  • (ii)
    FG = 13 cm , GH = 15 cm , HF = 13 cm
  • (iii)
    FG = 13 cm , GH = 10 cm , HF = 14 cm
  • (iv)
    FG = 11 cm , GH = 11 cm , HF = 11 cm
  • (v)
    FG = 12 cm , GH = 13 cm , HF = 12 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    NO = 10 cm , OP = 14 cm , PN = 13 cm
  • (ii)
    NO = 10 cm , OP = 17 cm , PN = 11 cm
  • (iii)
    NO = 13 cm , OP = 11 cm , PN = 15 cm
  • (iv)
    NO = 15 cm , OP = 11 cm , PN = 18.6 cm
  • (v)
    NO = 10 cm , OP = 10 cm , PN = 10 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    JK = 13 cm , KL = 21 cm , LJ = 14 cm
  • (ii)
    JK = 11 cm , KL = 11 cm , LJ = 15.56 cm
  • (iii)
    JK = 12 cm , KL = 15 cm , LJ = 10 cm
  • (iv)
    JK = 11 cm , KL = 10 cm , LJ = 13 cm
  • (v)
    JK = 10 cm , KL = 10 cm , LJ = 10 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    GH = 15 cm , HI = 15 cm , IG = 21.21 cm
  • (ii)
    GH = 15 cm , HI = 13 cm , IG = 19.85 cm
  • (iii)
    GH = 15 cm , HI = 21 cm , IG = 11 cm
  • (iv)
    GH = 10 cm , HI = 12 cm , IG = 11 cm
  • (v)
    GH = 13 cm , HI = 20 cm , IG = 14 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    IJ = 15 cm , JK = 14 cm , KI = 15 cm
  • (ii)
    IJ = 14 cm , JK = 14 cm , KI = 19.8 cm
  • (iii)
    IJ = 12 cm , JK = 14 cm , KI = 15 cm
  • (iv)
    IJ = 11 cm , JK = 19 cm , KI = 10 cm
  • (v)
    IJ = 10 cm , JK = 11 cm , KI = 14.87 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    GH = 11 cm , HI = 13 cm , IG = 15 cm
  • (ii)
    GH = 14 cm , HI = 11 cm , IG = 14 cm
  • (iii)
    GH = 13 cm , HI = 13 cm , IG = 18.38 cm
  • (iv)
    GH = 15 cm , HI = 15 cm , IG = 15 cm
  • (v)
    GH = 13 cm , HI = 11 cm , IG = 17.03 cm
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    MN = 12 cm , NO = 12 cm , OM = 12 cm
  • (ii)
    MN = 12 cm , NO = 15 cm , OM = 10 cm
  • (iii)
    MN = 10 cm , NO = 15 cm , OM = 11 cm
  • (iv)
    MN = 13 cm , NO = 10 cm , OM = 16.4 cm
  • (v)
    MN = 12 cm , NO = 13 cm , OM = 12 cm
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    MN = 11 cm , NO = 11 cm , OM = 11 cm
  • (ii)
    MN = 14 cm , NO = 15 cm , OM = 14 cm
  • (iii)
    MN = 11 cm , NO = 15 cm , OM = 11 cm
  • (iv)
    MN = 13 cm , NO = 13 cm , OM = 18.38 cm
  • (v)
    MN = 15 cm , NO = 14 cm , OM = 12 cm
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    FG = 14 cm , GH = 21 cm , HF = 15 cm
  • (ii)
    FG = 15 cm , GH = 14 cm , HF = 14 cm
  • (iii)
    FG = 10 cm , GH = 10 cm , HF = 10 cm
  • (iv)
    FG = 15 cm , GH = 14 cm , HF = 20.52 cm
  • (v)
    FG = 10 cm , GH = 12 cm , HF = 15 cm
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    KL = 10 cm , LM = 11 cm , MK = 12 cm
  • (ii)
    KL = 13 cm , LM = 19 cm , MK = 11 cm
  • (iii)
    KL = 13 cm , LM = 10 cm , MK = 12 cm
  • (iv)
    KL = 10 cm , LM = 10 cm , MK = 14.14 cm
  • (v)
    KL = 12 cm , LM = 12 cm , MK = 12 cm
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    KL = 11 cm , LM = 14 cm , MK = 14 cm
  • (ii)
    KL = 14 cm , LM = 14 cm , MK = 19.8 cm
  • (iii)
    KL = 15 cm , LM = 11 cm , MK = 18.6 cm
  • (iv)
    KL = 14 cm , LM = 20 cm , MK = 10 cm
  • (v)
    KL = 15 cm , LM = 23 cm , MK = 10 cm
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    NO = 11 cm , OP = 15 cm , PN = 14 cm
  • (ii)
    NO = 12 cm , OP = 12 cm , PN = 16.97 cm
  • (iii)
    NO = 15 cm , OP = 25 cm , PN = 15 cm
  • (iv)
    NO = 10 cm , OP = 15 cm , PN = 18.03 cm
  • (v)
    NO = 13 cm , OP = 13 cm , PN = 11 cm
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠F = 45° , ∠G = 90° , ∠H = 45°
  • (ii)
    ∠F = 60° , ∠G = 60° , ∠H = 60°
  • (iii)
    ∠F = 69.51° , ∠G = 51.32° , ∠H = 59.17°
  • (iv)
    ∠F = 47.73° , ∠G = 90° , ∠H = 42.27°
  • (v)
    ∠F = 66.12° , ∠G = 56.94° , ∠H = 56.94°
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠H = 54.46° , ∠I = 90° , ∠J = 35.54°
  • (ii)
    ∠H = 46.26° , ∠I = 66.87° , ∠J = 66.87°
  • (iii)
    ∠H = 60° , ∠I = 60° , ∠J = 60°
  • (iv)
    ∠H = 83.47° , ∠I = 51.32° , ∠J = 45.21°
  • (v)
    ∠H = 47.91° , ∠I = 70.81° , ∠J = 61.28°
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠M = 45° , ∠N = 90° , ∠O = 45°
  • (ii)
    ∠M = 72.44° , ∠N = 53.78° , ∠O = 53.78°
  • (iii)
    ∠M = 46.46° , ∠N = 81.28° , ∠O = 52.26°
  • (iv)
    ∠M = 66.74° , ∠N = 56.63° , ∠O = 56.63°
  • (v)
    ∠M = 60° , ∠N = 60° , ∠O = 60°
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠M = 103.34° , ∠N = 35.1° , ∠O = 41.56°
  • (ii)
    ∠M = 55.33° , ∠N = 62.33° , ∠O = 62.34°
  • (iii)
    ∠M = 59.49° , ∠N = 53.13° , ∠O = 67.38°
  • (iv)
    ∠M = 60° , ∠N = 60° , ∠O = 60°
  • (v)
    ∠M = 51.84° , ∠N = 90° , ∠O = 38.16°
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
  • (ii)
    ∠N = 128.32° , ∠O = 25.84° , ∠P = 25.84°
  • (iii)
    ∠N = 69.98° , ∠O = 48.74° , ∠P = 61.28°
  • (iv)
    ∠N = 45° , ∠O = 90° , ∠P = 45°
  • (v)
    ∠N = 70.53° , ∠O = 70.53° , ∠P = 38.94°
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠E = 96.82° , ∠F = 45.82° , ∠G = 37.36°
  • (ii)
    ∠E = 62.97° , ∠F = 62.96° , ∠G = 54.07°
  • (iii)
    ∠E = 96.89° , ∠F = 31.5° , ∠G = 51.61°
  • (iv)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
  • (v)
    ∠E = 51.84° , ∠F = 90° , ∠G = 38.16°
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠I = 43.02° , ∠J = 68.49° , ∠K = 68.49°
  • (ii)
    ∠I = 47.91° , ∠J = 61.28° , ∠K = 70.81°
  • (iii)
    ∠I = 50.19° , ∠J = 90° , ∠K = 39.81°
  • (iv)
    ∠I = 45° , ∠J = 90° , ∠K = 45°
  • (v)
    ∠I = 95.74° , ∠J = 33.56° , ∠K = 50.7°
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠A = 65.6° , ∠B = 57.2° , ∠C = 57.2°
  • (ii)
    ∠A = 49.4° , ∠B = 90° , ∠C = 40.6°
  • (iii)
    ∠A = 67.97° , ∠B = 59.41° , ∠C = 52.62°
  • (iv)
    ∠A = 45° , ∠B = 90° , ∠C = 45°
  • (v)
    ∠A = 60° , ∠B = 60° , ∠C = 60°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠I = 73.69° , ∠J = 43.28° , ∠K = 63.03°
  • (ii)
    ∠I = 60° , ∠J = 60° , ∠K = 60°
  • (iii)
    ∠I = 42.71° , ∠J = 90° , ∠K = 47.29°
  • (iv)
    ∠I = 71.38° , ∠J = 54.31° , ∠K = 54.31°
  • (v)
    ∠I = 45.21° , ∠J = 51.32° , ∠K = 83.47°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠N = 53.13° , ∠O = 59.49° , ∠P = 67.38°
  • (ii)
    ∠N = 45.24° , ∠O = 67.38° , ∠P = 67.38°
  • (iii)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
  • (iv)
    ∠N = 45° , ∠O = 90° , ∠P = 45°
  • (v)
    ∠N = 50.06° , ∠O = 64.97° , ∠P = 64.97°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠B = 60° , ∠C = 60° , ∠D = 60°
  • (ii)
    ∠B = 33.69° , ∠C = 90° , ∠D = 56.31°
  • (iii)
    ∠B = 57.12° , ∠C = 78.46° , ∠D = 44.42°
  • (iv)
    ∠B = 49.46° , ∠C = 81.08° , ∠D = 49.46°
  • (v)
    ∠B = 119.46° , ∠C = 30.27° , ∠D = 30.27°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠B = 112.62° , ∠C = 30.51° , ∠D = 36.87°
  • (ii)
    ∠B = 83.47° , ∠C = 45.21° , ∠D = 51.32°
  • (iii)
    ∠B = 60° , ∠C = 60° , ∠D = 60°
  • (iv)
    ∠B = 45° , ∠C = 90° , ∠D = 45°
  • (v)
    ∠B = 53.78° , ∠C = 72.44° , ∠D = 53.78°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠A = 131.81° , ∠B = 22.98° , ∠C = 25.21°
  • (ii)
    ∠A = 47.49° , ∠B = 90° , ∠C = 42.51°
  • (iii)
    ∠A = 51.32° , ∠B = 83.47° , ∠C = 45.21°
  • (iv)
    ∠A = 45° , ∠B = 90° , ∠C = 45°
  • (v)
    ∠A = 143.62° , ∠B = 18.19° , ∠C = 18.19°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠N = 45° , ∠O = 90° , ∠P = 45°
  • (ii)
    ∠N = 51.32° , ∠O = 51.32° , ∠P = 77.36°
  • (iii)
    ∠N = 131.81° , ∠O = 22.98° , ∠P = 25.21°
  • (iv)
    ∠N = 47.29° , ∠O = 90° , ∠P = 42.71°
  • (v)
    ∠N = 43.28° , ∠O = 73.69° , ∠P = 63.03°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    CD = 13 cm , DE = 10 cm , EC = 15 cm
  • (ii)
    CD = 5 cm , DE = 12 cm , EC = 5 cm
  • (iii)
    CD = 8 cm , DE = 5 cm , EC = 18 cm
  • (iv)
    CD = 9 cm , DE = 18 cm , EC = 6 cm
  • (v)
    CD = 5 cm , DE = 6 cm , EC = 13 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠B = 113.30° , ∠C = 87.50° , ∠D = 90.10°
  • (ii)
    ∠B = 78.46° , ∠C = 57.12° , ∠D = 44.42°
  • (iii)
    ∠B = 62.30° , ∠C = 85.80° , ∠D = 62.30°
  • (iv)
    ∠B = 89.50° , ∠C = 64.90° , ∠D = 83.70°
  • (v)
    ∠B = 53.80° , ∠C = 58.10° , ∠D = 61.20°
    Assignment Key
  •  1) (iv)
  •  2) (ii)
  •  3) (iii)
  •  4) (iv)
  •  5) (ii)
  •  6) (iv)
  •  7) (iv)
  •  8) (iv)
  •  9) (v)
  •  10) (v)
  •  11) (iv)
  •  12) (iv)
  •  13) (i)
  •  14) (iii)
  •  15) (ii)
  •  16) (ii)
  •  17) (iii)
  •  18) (v)
  •  19) (iv)
  •  20) (ii)
  •  21) (v)
  •  22) (v)
  •  23) (iv)
  •  24) (i)
  •  25) (ii)
  •  26) (iv)
  •  27) (iii)
  •  28) (iii)
  •  29) (i)
  •  30) (ii)