EduSahara™ Assignment
Name : Types of Triangles
Chapter : The Triangle and its Properties
Grade : CBSE Grade VII
License : Non Commercial Use
Question 1
1.
Which of the following are measures of an equilateral triangle ?
  • (i)
    NO = 12 cm , OP = 14 cm , PN = 15 cm
  • (ii)
    NO = 10 cm , OP = 10 cm , PN = 14.14 cm
  • (iii)
    NO = 12 cm , OP = 10 cm , PN = 15.62 cm
  • (iv)
    NO = 11 cm , OP = 11 cm , PN = 11 cm
  • (v)
    NO = 12 cm , OP = 15 cm , PN = 12 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    HI = 14 cm , IJ = 15 cm , JH = 13 cm
  • (ii)
    HI = 10 cm , IJ = 13 cm , JH = 10 cm
  • (iii)
    HI = 15 cm , IJ = 11 cm , JH = 13 cm
  • (iv)
    HI = 13 cm , IJ = 13 cm , JH = 13 cm
  • (v)
    HI = 12 cm , IJ = 13 cm , JH = 17.69 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    GH = 13 cm , HI = 14 cm , IG = 13 cm
  • (ii)
    GH = 11 cm , HI = 11 cm , IG = 15.56 cm
  • (iii)
    GH = 12 cm , HI = 12 cm , IG = 12 cm
  • (iv)
    GH = 15 cm , HI = 10 cm , IG = 15 cm
  • (v)
    GH = 13 cm , HI = 15 cm , IG = 14 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    MN = 11 cm , NO = 15 cm , OM = 18.6 cm
  • (ii)
    MN = 15 cm , NO = 10 cm , OM = 12 cm
  • (iii)
    MN = 10 cm , NO = 10 cm , OM = 10 cm
  • (iv)
    MN = 14 cm , NO = 15 cm , OM = 10 cm
  • (v)
    MN = 13 cm , NO = 20 cm , OM = 13 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    DE = 11 cm , EF = 11 cm , FD = 15.56 cm
  • (ii)
    DE = 11 cm , EF = 10 cm , FD = 11 cm
  • (iii)
    DE = 12 cm , EF = 12 cm , FD = 12 cm
  • (iv)
    DE = 15 cm , EF = 23 cm , FD = 13 cm
  • (v)
    DE = 13 cm , EF = 10 cm , FD = 15 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    NO = 14 cm , OP = 26 cm , PN = 14 cm
  • (ii)
    NO = 14 cm , OP = 14 cm , PN = 19.8 cm
  • (iii)
    NO = 10 cm , OP = 20 cm , PN = 13 cm
  • (iv)
    NO = 15 cm , OP = 13 cm , PN = 19.85 cm
  • (v)
    NO = 15 cm , OP = 13 cm , PN = 15 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    IJ = 15 cm , JK = 15 cm , KI = 21.21 cm
  • (ii)
    IJ = 12 cm , JK = 10 cm , KI = 13 cm
  • (iii)
    IJ = 11 cm , JK = 14 cm , KI = 13 cm
  • (iv)
    IJ = 10 cm , JK = 12 cm , KI = 15.62 cm
  • (v)
    IJ = 10 cm , JK = 17 cm , KI = 11 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠O = 60° , ∠P = 60° , ∠Q = 60°
  • (ii)
    ∠O = 88.86° , ∠P = 45.57° , ∠Q = 45.57°
  • (iii)
    ∠O = 47.73° , ∠P = 90° , ∠Q = 42.27°
  • (iv)
    ∠O = 49.32° , ∠P = 55.83° , ∠Q = 74.85°
  • (v)
    ∠O = 45° , ∠P = 90° , ∠Q = 45°
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠P = 41.08° , ∠Q = 58.67° , ∠R = 80.25°
  • (ii)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
  • (iii)
    ∠P = 97.18° , ∠Q = 41.41° , ∠R = 41.41°
  • (iv)
    ∠P = 48.74° , ∠Q = 61.28° , ∠R = 69.98°
  • (v)
    ∠P = 53.75° , ∠Q = 90° , ∠R = 36.25°
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠O = 58.67° , ∠P = 80.25° , ∠Q = 41.08°
  • (ii)
    ∠O = 45° , ∠P = 90° , ∠Q = 45°
  • (iii)
    ∠O = 66.12° , ∠P = 56.94° , ∠Q = 56.94°
  • (iv)
    ∠O = 65.16° , ∠P = 57.42° , ∠Q = 57.42°
  • (v)
    ∠O = 60° , ∠P = 60° , ∠Q = 60°
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠M = 60° , ∠N = 60° , ∠O = 60°
  • (ii)
    ∠M = 39.81° , ∠N = 90° , ∠O = 50.19°
  • (iii)
    ∠M = 75.31° , ∠N = 40.16° , ∠O = 64.53°
  • (iv)
    ∠M = 133.5° , ∠N = 26.2° , ∠O = 20.3°
  • (v)
    ∠M = 66.87° , ∠N = 46.26° , ∠O = 66.87°
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠K = 62.97° , ∠L = 54.07° , ∠M = 62.96°
  • (ii)
    ∠K = 128.32° , ∠L = 25.84° , ∠M = 25.84°
  • (iii)
    ∠K = 83.47° , ∠L = 51.32° , ∠M = 45.21°
  • (iv)
    ∠K = 60° , ∠L = 60° , ∠M = 60°
  • (v)
    ∠K = 45° , ∠L = 90° , ∠M = 45°
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠P = 91.04° , ∠Q = 47.16° , ∠R = 41.8°
  • (ii)
    ∠P = 123.68° , ∠Q = 23.45° , ∠R = 32.87°
  • (iii)
    ∠P = 35.54° , ∠Q = 90° , ∠R = 54.46°
  • (iv)
    ∠P = 45° , ∠Q = 90° , ∠R = 45°
  • (v)
    ∠P = 54.77° , ∠Q = 70.46° , ∠R = 54.77°
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠D = 123.68° , ∠E = 23.45° , ∠F = 32.87°
  • (ii)
    ∠D = 61.26° , ∠E = 71.79° , ∠F = 46.95°
  • (iii)
    ∠D = 69.07° , ∠E = 41.85° , ∠F = 69.08°
  • (iv)
    ∠D = 45° , ∠E = 90° , ∠F = 45°
  • (v)
    ∠D = 51.34° , ∠E = 90° , ∠F = 38.66°
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    PQ = 13 cm , QR = 10 cm , RP = 13 cm
  • (ii)
    PQ = 12 cm , QR = 12 cm , RP = 12 cm
  • (iii)
    PQ = 15 cm , QR = 14 cm , RP = 20.52 cm
  • (iv)
    PQ = 11 cm , QR = 10 cm , RP = 14 cm
  • (v)
    PQ = 14 cm , QR = 14 cm , RP = 19.8 cm
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    OP = 12 cm , PQ = 10 cm , QO = 11 cm
  • (ii)
    OP = 12 cm , PQ = 15 cm , QO = 12 cm
  • (iii)
    OP = 12 cm , PQ = 15 cm , QO = 19.21 cm
  • (iv)
    OP = 14 cm , PQ = 10 cm , QO = 15 cm
  • (v)
    OP = 14 cm , PQ = 14 cm , QO = 14 cm
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    PQ = 11 cm , QR = 12 cm , RP = 11 cm
  • (ii)
    PQ = 10 cm , QR = 14 cm , RP = 10 cm
  • (iii)
    PQ = 13 cm , QR = 15 cm , RP = 12 cm
  • (iv)
    PQ = 10 cm , QR = 10 cm , RP = 14.14 cm
  • (v)
    PQ = 10 cm , QR = 10 cm , RP = 10 cm
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    FG = 14 cm , GH = 22 cm , HF = 14 cm
  • (ii)
    FG = 10 cm , GH = 10 cm , HF = 10 cm
  • (iii)
    FG = 11 cm , GH = 10 cm , HF = 13 cm
  • (iv)
    FG = 13 cm , GH = 12 cm , HF = 17.69 cm
  • (v)
    FG = 13 cm , GH = 13 cm , HF = 14 cm
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    OP = 13 cm , PQ = 19 cm , QO = 13 cm
  • (ii)
    OP = 10 cm , PQ = 10 cm , QO = 14.14 cm
  • (iii)
    OP = 13 cm , PQ = 13 cm , QO = 13 cm
  • (iv)
    OP = 14 cm , PQ = 14 cm , QO = 10 cm
  • (v)
    OP = 10 cm , PQ = 12 cm , QO = 11 cm
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    DE = 11 cm , EF = 14 cm , FD = 17.8 cm
  • (ii)
    DE = 11 cm , EF = 11 cm , FD = 13 cm
  • (iii)
    DE = 14 cm , EF = 25 cm , FD = 15 cm
  • (iv)
    DE = 11 cm , EF = 11 cm , FD = 15.56 cm
  • (v)
    DE = 12 cm , EF = 17 cm , FD = 10 cm
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    NO = 14 cm , OP = 12 cm , PN = 11 cm
  • (ii)
    NO = 10 cm , OP = 19 cm , PN = 14 cm
  • (iii)
    NO = 15 cm , OP = 10 cm , PN = 18.03 cm
  • (iv)
    NO = 15 cm , OP = 15 cm , PN = 21.21 cm
  • (v)
    NO = 14 cm , OP = 10 cm , PN = 11 cm
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠G = 64.53° , ∠H = 40.16° , ∠I = 75.31°
  • (ii)
    ∠G = 60° , ∠H = 60° , ∠I = 60°
  • (iii)
    ∠G = 43.03° , ∠H = 90° , ∠I = 46.97°
  • (iv)
    ∠G = 45° , ∠H = 90° , ∠I = 45°
  • (v)
    ∠G = 79.04° , ∠H = 50.48° , ∠I = 50.48°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠C = 88.86° , ∠D = 45.57° , ∠E = 45.57°
  • (ii)
    ∠C = 37.57° , ∠D = 90° , ∠E = 52.43°
  • (iii)
    ∠C = 52.62° , ∠D = 67.97° , ∠E = 59.41°
  • (iv)
    ∠C = 60° , ∠D = 60° , ∠E = 60°
  • (v)
    ∠C = 59.17° , ∠D = 51.32° , ∠E = 69.51°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
  • (ii)
    ∠P = 45° , ∠Q = 90° , ∠R = 45°
  • (iii)
    ∠P = 43.28° , ∠Q = 63.03° , ∠R = 73.69°
  • (iv)
    ∠P = 97.18° , ∠Q = 41.41° , ∠R = 41.41°
  • (v)
    ∠P = 64.78° , ∠Q = 57.61° , ∠R = 57.61°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠M = 60° , ∠N = 60° , ∠O = 60°
  • (ii)
    ∠M = 52.89° , ∠N = 85.46° , ∠O = 41.65°
  • (iii)
    ∠M = 88.86° , ∠N = 45.57° , ∠O = 45.57°
  • (iv)
    ∠M = 132.88° , ∠N = 23.56° , ∠O = 23.56°
  • (v)
    ∠M = 51.34° , ∠N = 90° , ∠O = 38.66°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠C = 81.28° , ∠D = 52.26° , ∠E = 46.46°
  • (ii)
    ∠C = 60° , ∠D = 60° , ∠E = 60°
  • (iii)
    ∠C = 41.85° , ∠D = 69.07° , ∠E = 69.08°
  • (iv)
    ∠C = 97.18° , ∠D = 41.41° , ∠E = 41.41°
  • (v)
    ∠C = 45° , ∠D = 90° , ∠E = 45°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠K = 62.18° , ∠L = 62.18° , ∠M = 55.64°
  • (ii)
    ∠K = 45° , ∠L = 90° , ∠M = 45°
  • (iii)
    ∠K = 93.32° , ∠L = 43.34° , ∠M = 43.34°
  • (iv)
    ∠K = 50.19° , ∠L = 90° , ∠M = 39.81°
  • (v)
    ∠K = 119.06° , ∠L = 29.31° , ∠M = 31.63°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠J = 51.34° , ∠K = 90° , ∠L = 38.66°
  • (ii)
    ∠J = 104.38° , ∠K = 34.11° , ∠L = 41.51°
  • (iii)
    ∠J = 45° , ∠K = 90° , ∠L = 45°
  • (iv)
    ∠J = 45.57° , ∠K = 76.87° , ∠L = 57.56°
  • (v)
    ∠J = 40.16° , ∠K = 64.53° , ∠L = 75.31°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    JK = 5 cm , KL = 20 cm , LJ = 12 cm
  • (ii)
    JK = 15 cm , KL = 10 cm , LJ = 11 cm
  • (iii)
    JK = 7 cm , KL = 19 cm , LJ = 6 cm
  • (iv)
    JK = 5 cm , KL = 16 cm , LJ = 8 cm
  • (v)
    JK = 18 cm , KL = 5 cm , LJ = 11 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠I = 64.78° , ∠J = 57.61° , ∠K = 57.61°
  • (ii)
    ∠I = 31.20° , ∠J = 107.20° , ∠K = 88.10°
  • (iii)
    ∠I = 86.10° , ∠J = 33.10° , ∠K = 53.70°
  • (iv)
    ∠I = 119.80° , ∠J = 77.20° , ∠K = 79.50°
  • (v)
    ∠I = 119.10° , ∠J = 111.10° , ∠K = 110.80°
    Assignment Key
  •  1) (iv)
  •  2) (ii)
  •  3) (v)
  •  4) (i)
  •  5) (i)
  •  6) (v)
  •  7) (v)
  •  8) (i)
  •  9) (iii)
  •  10) (i)
  •  11) (ii)
  •  12) (v)
  •  13) (v)
  •  14) (i)
  •  15) (ii)
  •  16) (ii)
  •  17) (iii)
  •  18) (iv)
  •  19) (ii)
  •  20) (ii)
  •  21) (ii)
  •  22) (ii)
  •  23) (i)
  •  24) (iii)
  •  25) (v)
  •  26) (v)
  •  27) (i)
  •  28) (ii)
  •  29) (ii)
  •  30) (i)