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)
    JK = 13 cm , KL = 10 cm , LJ = 13 cm
  • (ii)
    JK = 10 cm , KL = 10 cm , LJ = 10 cm
  • (iii)
    JK = 13 cm , KL = 14 cm , LJ = 19.1 cm
  • (iv)
    JK = 11 cm , KL = 14 cm , LJ = 15 cm
  • (v)
    JK = 12 cm , KL = 12 cm , LJ = 16.97 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    FG = 11 cm , GH = 12 cm , HF = 11 cm
  • (ii)
    FG = 15 cm , GH = 15 cm , HF = 15 cm
  • (iii)
    FG = 14 cm , GH = 15 cm , HF = 12 cm
  • (iv)
    FG = 15 cm , GH = 10 cm , HF = 18.03 cm
  • (v)
    FG = 13 cm , GH = 15 cm , HF = 11 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    PQ = 15 cm , QR = 15 cm , RP = 21.21 cm
  • (ii)
    PQ = 10 cm , QR = 13 cm , RP = 10 cm
  • (iii)
    PQ = 12 cm , QR = 14 cm , RP = 10 cm
  • (iv)
    PQ = 13 cm , QR = 13 cm , RP = 13 cm
  • (v)
    PQ = 12 cm , QR = 15 cm , RP = 12 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    CD = 15 cm , DE = 12 cm , EC = 13 cm
  • (ii)
    CD = 15 cm , DE = 26 cm , EC = 13 cm
  • (iii)
    CD = 15 cm , DE = 13 cm , EC = 19.85 cm
  • (iv)
    CD = 14 cm , DE = 14 cm , EC = 14 cm
  • (v)
    CD = 12 cm , DE = 11 cm , EC = 15 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    HI = 14 cm , IJ = 14 cm , JH = 14 cm
  • (ii)
    HI = 10 cm , IJ = 10 cm , JH = 14.14 cm
  • (iii)
    HI = 12 cm , IJ = 11 cm , JH = 14 cm
  • (iv)
    HI = 12 cm , IJ = 16 cm , JH = 10 cm
  • (v)
    HI = 11 cm , IJ = 14 cm , JH = 10 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    DE = 15 cm , EF = 19 cm , FD = 11 cm
  • (ii)
    DE = 11 cm , EF = 11 cm , FD = 15.56 cm
  • (iii)
    DE = 10 cm , EF = 15 cm , FD = 13 cm
  • (iv)
    DE = 15 cm , EF = 26 cm , FD = 13 cm
  • (v)
    DE = 15 cm , EF = 11 cm , FD = 18.6 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    KL = 13 cm , LM = 21 cm , MK = 15 cm
  • (ii)
    KL = 12 cm , LM = 11 cm , MK = 12 cm
  • (iii)
    KL = 10 cm , LM = 15 cm , MK = 18.03 cm
  • (iv)
    KL = 14 cm , LM = 10 cm , MK = 10 cm
  • (v)
    KL = 10 cm , LM = 10 cm , MK = 14.14 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    PQ = 11 cm , QR = 13 cm , RP = 10 cm
  • (ii)
    PQ = 14 cm , QR = 15 cm , RP = 14 cm
  • (iii)
    PQ = 14 cm , QR = 14 cm , RP = 14 cm
  • (iv)
    PQ = 15 cm , QR = 15 cm , RP = 21.21 cm
  • (v)
    PQ = 14 cm , QR = 13 cm , RP = 19.1 cm
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    NO = 15 cm , OP = 13 cm , PN = 19.85 cm
  • (ii)
    NO = 11 cm , OP = 13 cm , PN = 10 cm
  • (iii)
    NO = 15 cm , OP = 10 cm , PN = 14 cm
  • (iv)
    NO = 15 cm , OP = 15 cm , PN = 15 cm
  • (v)
    NO = 10 cm , OP = 14 cm , PN = 10 cm
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    NO = 15 cm , OP = 15 cm , PN = 15 cm
  • (ii)
    NO = 12 cm , OP = 14 cm , PN = 12 cm
  • (iii)
    NO = 15 cm , OP = 12 cm , PN = 15 cm
  • (iv)
    NO = 12 cm , OP = 12 cm , PN = 16.97 cm
  • (v)
    NO = 11 cm , OP = 12 cm , PN = 14 cm
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    AB = 12 cm , BC = 10 cm , CA = 13 cm
  • (ii)
    AB = 15 cm , BC = 15 cm , CA = 10 cm
  • (iii)
    AB = 13 cm , BC = 14 cm , CA = 19.1 cm
  • (iv)
    AB = 11 cm , BC = 11 cm , CA = 11 cm
  • (v)
    AB = 12 cm , BC = 20 cm , CA = 13 cm
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    PQ = 14 cm , QR = 10 cm , RP = 14 cm
  • (ii)
    PQ = 15 cm , QR = 22 cm , RP = 13 cm
  • (iii)
    PQ = 13 cm , QR = 13 cm , RP = 13 cm
  • (iv)
    PQ = 10 cm , QR = 12 cm , RP = 11 cm
  • (v)
    PQ = 11 cm , QR = 11 cm , RP = 15.56 cm
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    OP = 10 cm , PQ = 10 cm , QO = 14.14 cm
  • (ii)
    OP = 10 cm , PQ = 17 cm , QO = 12 cm
  • (iii)
    OP = 13 cm , PQ = 15 cm , QO = 10 cm
  • (iv)
    OP = 14 cm , PQ = 13 cm , QO = 19.1 cm
  • (v)
    OP = 10 cm , PQ = 20 cm , QO = 13 cm
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    BC = 10 cm , CD = 17 cm , DB = 12 cm
  • (ii)
    BC = 15 cm , CD = 15 cm , DB = 21.21 cm
  • (iii)
    BC = 13 cm , CD = 15 cm , DB = 19.85 cm
  • (iv)
    BC = 15 cm , CD = 14 cm , DB = 10 cm
  • (v)
    BC = 10 cm , CD = 12 cm , DB = 15 cm
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠I = 60° , ∠J = 60° , ∠K = 60°
  • (ii)
    ∠I = 41.8° , ∠J = 47.16° , ∠K = 91.04°
  • (iii)
    ∠I = 81.08° , ∠J = 49.46° , ∠K = 49.46°
  • (iv)
    ∠I = 52.43° , ∠J = 90° , ∠K = 37.57°
  • (v)
    ∠I = 45° , ∠J = 90° , ∠K = 45°
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠E = 88.86° , ∠F = 45.57° , ∠G = 45.57°
  • (ii)
    ∠E = 73.69° , ∠F = 63.03° , ∠G = 43.28°
  • (iii)
    ∠E = 51.34° , ∠F = 90° , ∠G = 38.66°
  • (iv)
    ∠E = 53.13° , ∠F = 59.49° , ∠G = 67.38°
  • (v)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠N = 79.04° , ∠O = 50.48° , ∠P = 50.48°
  • (ii)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
  • (iii)
    ∠N = 45° , ∠O = 90° , ∠P = 45°
  • (iv)
    ∠N = 48.74° , ∠O = 69.98° , ∠P = 61.28°
  • (v)
    ∠N = 77.36° , ∠O = 51.32° , ∠P = 51.32°
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠G = 67.38° , ∠H = 45.24° , ∠I = 67.38°
  • (ii)
    ∠G = 47.29° , ∠H = 90° , ∠I = 42.71°
  • (iii)
    ∠G = 60° , ∠H = 60° , ∠I = 60°
  • (iv)
    ∠G = 92.73° , ∠H = 45.52° , ∠I = 41.75°
  • (v)
    ∠G = 53.13° , ∠H = 67.38° , ∠I = 59.49°
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠P = 45° , ∠Q = 90° , ∠R = 45°
  • (ii)
    ∠P = 96.92° , ∠Q = 45.16° , ∠R = 37.92°
  • (iii)
    ∠P = 48.74° , ∠Q = 69.98° , ∠R = 61.28°
  • (iv)
    ∠P = 45.21° , ∠Q = 51.32° , ∠R = 83.47°
  • (v)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠O = 49.09° , ∠P = 90° , ∠Q = 40.91°
  • (ii)
    ∠O = 41.85° , ∠P = 69.07° , ∠Q = 69.08°
  • (iii)
    ∠O = 105.64° , ∠P = 31.98° , ∠Q = 42.38°
  • (iv)
    ∠O = 45° , ∠P = 90° , ∠Q = 45°
  • (v)
    ∠O = 111.8° , ∠P = 40.54° , ∠Q = 27.66°
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠G = 46.97° , ∠H = 90° , ∠I = 43.03°
  • (ii)
    ∠G = 56.63° , ∠H = 66.74° , ∠I = 56.63°
  • (iii)
    ∠G = 103.34° , ∠H = 35.1° , ∠I = 41.56°
  • (iv)
    ∠G = 45° , ∠H = 90° , ∠I = 45°
  • (v)
    ∠G = 80.25° , ∠H = 58.67° , ∠I = 41.08°
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠I = 60° , ∠J = 60° , ∠K = 60°
  • (ii)
    ∠I = 66.12° , ∠J = 56.94° , ∠K = 56.94°
  • (iii)
    ∠I = 53.75° , ∠J = 90° , ∠K = 36.25°
  • (iv)
    ∠I = 45° , ∠J = 90° , ∠K = 45°
  • (v)
    ∠I = 73.62° , ∠J = 50.13° , ∠K = 56.25°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠J = 60° , ∠K = 60° , ∠L = 60°
  • (ii)
    ∠J = 61.26° , ∠K = 46.95° , ∠L = 71.79°
  • (iii)
    ∠J = 40.91° , ∠K = 90° , ∠L = 49.09°
  • (iv)
    ∠J = 57.12° , ∠K = 44.42° , ∠L = 78.46°
  • (v)
    ∠J = 66.12° , ∠K = 56.94° , ∠L = 56.94°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠F = 57.12° , ∠G = 44.42° , ∠H = 78.46°
  • (ii)
    ∠F = 72.44° , ∠G = 53.78° , ∠H = 53.78°
  • (iii)
    ∠F = 60° , ∠G = 60° , ∠H = 60°
  • (iv)
    ∠F = 45° , ∠G = 90° , ∠H = 45°
  • (v)
    ∠F = 77.36° , ∠G = 51.32° , ∠H = 51.32°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠C = 53.75° , ∠D = 90° , ∠E = 36.25°
  • (ii)
    ∠C = 60° , ∠D = 60° , ∠E = 60°
  • (iii)
    ∠C = 80.25° , ∠D = 41.08° , ∠E = 58.67°
  • (iv)
    ∠C = 97.18° , ∠D = 41.41° , ∠E = 41.41°
  • (v)
    ∠C = 43.28° , ∠D = 63.03° , ∠E = 73.69°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠P = 63.03° , ∠Q = 73.69° , ∠R = 43.28°
  • (ii)
    ∠P = 135.33° , ∠Q = 19.72° , ∠R = 24.95°
  • (iii)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
  • (iv)
    ∠P = 45° , ∠Q = 90° , ∠R = 45°
  • (v)
    ∠P = 76.87° , ∠Q = 45.57° , ∠R = 57.56°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠M = 54.46° , ∠N = 90° , ∠O = 35.54°
  • (ii)
    ∠M = 45° , ∠N = 90° , ∠O = 45°
  • (iii)
    ∠M = 50.48° , ∠N = 50.48° , ∠O = 79.04°
  • (iv)
    ∠M = 120.14° , ∠N = 29.93° , ∠O = 29.93°
  • (v)
    ∠M = 96.89° , ∠N = 31.5° , ∠O = 51.61°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠D = 68.49° , ∠E = 68.49° , ∠F = 43.02°
  • (ii)
    ∠D = 45° , ∠E = 90° , ∠F = 45°
  • (iii)
    ∠D = 106.26° , ∠E = 36.87° , ∠F = 36.87°
  • (iv)
    ∠D = 50.13° , ∠E = 73.62° , ∠F = 56.25°
  • (v)
    ∠D = 42.27° , ∠E = 90° , ∠F = 47.73°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    KL = 5 cm , LM = 7 cm , MK = 16 cm
  • (ii)
    KL = 14 cm , LM = 15 cm , MK = 11 cm
  • (iii)
    KL = 5 cm , LM = 16 cm , MK = 9 cm
  • (iv)
    KL = 8 cm , LM = 19 cm , MK = 7 cm
  • (v)
    KL = 19 cm , LM = 9 cm , MK = 9 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠M = 96.70° , ∠N = 54.70° , ∠O = 31.50°
  • (ii)
    ∠M = 57.12° , ∠N = 78.46° , ∠O = 44.42°
  • (iii)
    ∠M = 95.30° , ∠N = 33.70° , ∠O = 81.30°
  • (iv)
    ∠M = 70.60° , ∠N = 116.80° , ∠O = 65.10°
  • (v)
    ∠M = 46.10° , ∠N = 31.90° , ∠O = 83.80°
    Assignment Key

  •  1) (ii)
  •  2) (i)
  •  3) (iii)
  •  4) (iii)
  •  5) (ii)
  •  6) (iii)
  •  7) (i)
  •  8) (iii)
  •  9) (v)
  •  10) (v)
  •  11) (iii)
  •  12) (v)
  •  13) (iii)
  •  14) (i)
  •  15) (i)
  •  16) (i)
  •  17) (iv)
  •  18) (ii)
  •  19) (i)
  •  20) (ii)
  •  21) (iii)
  •  22) (i)
  •  23) (v)
  •  24) (i)
  •  25) (i)
  •  26) (iv)
  •  27) (iii)
  •  28) (iii)
  •  29) (ii)
  •  30) (ii)