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)
    HI = 15 cm , IJ = 15 cm , JH = 15 cm
  • (ii)
    HI = 11 cm , IJ = 11 cm , JH = 15.56 cm
  • (iii)
    HI = 14 cm , IJ = 13 cm , JH = 19.1 cm
  • (iv)
    HI = 11 cm , IJ = 12 cm , JH = 11 cm
  • (v)
    HI = 10 cm , IJ = 14 cm , JH = 15 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    AB = 12 cm , BC = 11 cm , CA = 12 cm
  • (ii)
    AB = 12 cm , BC = 14 cm , CA = 18.44 cm
  • (iii)
    AB = 14 cm , BC = 13 cm , CA = 10 cm
  • (iv)
    AB = 14 cm , BC = 14 cm , CA = 14 cm
  • (v)
    AB = 14 cm , BC = 15 cm , CA = 10 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    GH = 10 cm , HI = 13 cm , IG = 10 cm
  • (ii)
    GH = 12 cm , HI = 14 cm , IG = 11 cm
  • (iii)
    GH = 14 cm , HI = 14 cm , IG = 14 cm
  • (iv)
    GH = 10 cm , HI = 10 cm , IG = 14.14 cm
  • (v)
    GH = 14 cm , HI = 11 cm , IG = 14 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    BC = 11 cm , CD = 11 cm , DB = 12 cm
  • (ii)
    BC = 13 cm , CD = 24 cm , DB = 13 cm
  • (iii)
    BC = 14 cm , CD = 15 cm , DB = 10 cm
  • (iv)
    BC = 12 cm , CD = 12 cm , DB = 12 cm
  • (v)
    BC = 12 cm , CD = 13 cm , DB = 17.69 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    NO = 15 cm , OP = 15 cm , PN = 15 cm
  • (ii)
    NO = 13 cm , OP = 13 cm , PN = 18.38 cm
  • (iii)
    NO = 14 cm , OP = 10 cm , PN = 15 cm
  • (iv)
    NO = 15 cm , OP = 27 cm , PN = 15 cm
  • (v)
    NO = 13 cm , OP = 14 cm , PN = 10 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    BC = 11 cm , CD = 21 cm , DB = 13 cm
  • (ii)
    BC = 13 cm , CD = 15 cm , DB = 14 cm
  • (iii)
    BC = 15 cm , CD = 15 cm , DB = 21.21 cm
  • (iv)
    BC = 15 cm , CD = 14 cm , DB = 20.52 cm
  • (v)
    BC = 15 cm , CD = 24 cm , DB = 12 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    GH = 15 cm , HI = 12 cm , IG = 11 cm
  • (ii)
    GH = 11 cm , HI = 20 cm , IG = 13 cm
  • (iii)
    GH = 15 cm , HI = 15 cm , IG = 21.21 cm
  • (iv)
    GH = 13 cm , HI = 15 cm , IG = 19.85 cm
  • (v)
    GH = 13 cm , HI = 12 cm , IG = 14 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠B = 45° , ∠C = 90° , ∠D = 45°
  • (ii)
    ∠B = 38.16° , ∠C = 90° , ∠D = 51.84°
  • (iii)
    ∠B = 45.24° , ∠C = 67.38° , ∠D = 67.38°
  • (iv)
    ∠B = 48.74° , ∠C = 69.98° , ∠D = 61.28°
  • (v)
    ∠B = 60° , ∠C = 60° , ∠D = 60°
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠P = 43.03° , ∠Q = 90° , ∠R = 46.97°
  • (ii)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
  • (iii)
    ∠P = 81.08° , ∠Q = 49.46° , ∠R = 49.46°
  • (iv)
    ∠P = 59.41° , ∠Q = 52.62° , ∠R = 67.97°
  • (v)
    ∠P = 46.46° , ∠Q = 52.26° , ∠R = 81.28°
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠J = 45° , ∠K = 90° , ∠L = 45°
  • (ii)
    ∠J = 47.16° , ∠K = 66.42° , ∠L = 66.42°
  • (iii)
    ∠J = 64.78° , ∠K = 57.61° , ∠L = 57.61°
  • (iv)
    ∠J = 58.67° , ∠K = 41.08° , ∠L = 80.25°
  • (v)
    ∠J = 60° , ∠K = 60° , ∠L = 60°
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠K = 81.28° , ∠L = 52.26° , ∠M = 46.46°
  • (ii)
    ∠K = 60° , ∠L = 60° , ∠M = 60°
  • (iii)
    ∠K = 57.12° , ∠L = 44.42° , ∠M = 78.46°
  • (iv)
    ∠K = 110.26° , ∠L = 32.02° , ∠M = 37.72°
  • (v)
    ∠K = 47.12° , ∠L = 90° , ∠M = 42.88°
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
  • (ii)
    ∠E = 49.32° , ∠F = 74.85° , ∠G = 55.83°
  • (iii)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
  • (iv)
    ∠E = 97.18° , ∠F = 41.41° , ∠G = 41.41°
  • (v)
    ∠E = 40.16° , ∠F = 64.53° , ∠G = 75.31°
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠C = 45° , ∠D = 90° , ∠E = 45°
  • (ii)
    ∠C = 42.71° , ∠D = 90° , ∠E = 47.29°
  • (iii)
    ∠C = 57.12° , ∠D = 44.42° , ∠E = 78.46°
  • (iv)
    ∠C = 102.05° , ∠D = 40.69° , ∠E = 37.26°
  • (v)
    ∠C = 134.18° , ∠D = 19.19° , ∠E = 26.63°
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠G = 54.77° , ∠H = 54.77° , ∠I = 70.46°
  • (ii)
    ∠G = 105.64° , ∠H = 31.98° , ∠I = 42.38°
  • (iii)
    ∠G = 45° , ∠H = 90° , ∠I = 45°
  • (iv)
    ∠G = 69.98° , ∠H = 48.74° , ∠I = 61.28°
  • (v)
    ∠G = 40.6° , ∠H = 90° , ∠I = 49.4°
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    CD = 10 cm , DE = 10 cm , EC = 14.14 cm
  • (ii)
    CD = 15 cm , DE = 10 cm , EC = 15 cm
  • (iii)
    CD = 11 cm , DE = 13 cm , EC = 17.03 cm
  • (iv)
    CD = 10 cm , DE = 10 cm , EC = 10 cm
  • (v)
    CD = 13 cm , DE = 12 cm , EC = 14 cm
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    MN = 11 cm , NO = 12 cm , OM = 16.28 cm
  • (ii)
    MN = 12 cm , NO = 11 cm , OM = 13 cm
  • (iii)
    MN = 13 cm , NO = 13 cm , OM = 13 cm
  • (iv)
    MN = 11 cm , NO = 12 cm , OM = 11 cm
  • (v)
    MN = 13 cm , NO = 14 cm , OM = 11 cm
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    OP = 14 cm , PQ = 15 cm , QO = 14 cm
  • (ii)
    OP = 15 cm , PQ = 15 cm , QO = 21.21 cm
  • (iii)
    OP = 12 cm , PQ = 14 cm , QO = 12 cm
  • (iv)
    OP = 14 cm , PQ = 13 cm , QO = 10 cm
  • (v)
    OP = 11 cm , PQ = 11 cm , QO = 11 cm
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    OP = 13 cm , PQ = 14 cm , QO = 15 cm
  • (ii)
    OP = 15 cm , PQ = 11 cm , QO = 11 cm
  • (iii)
    OP = 15 cm , PQ = 25 cm , QO = 12 cm
  • (iv)
    OP = 13 cm , PQ = 13 cm , QO = 13 cm
  • (v)
    OP = 13 cm , PQ = 12 cm , QO = 17.69 cm
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    PQ = 14 cm , QR = 14 cm , RP = 19.8 cm
  • (ii)
    PQ = 13 cm , QR = 20 cm , RP = 10 cm
  • (iii)
    PQ = 10 cm , QR = 15 cm , RP = 12 cm
  • (iv)
    PQ = 13 cm , QR = 13 cm , RP = 10 cm
  • (v)
    PQ = 10 cm , QR = 10 cm , RP = 10 cm
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    OP = 14 cm , PQ = 18 cm , QO = 10 cm
  • (ii)
    OP = 15 cm , PQ = 20 cm , QO = 10 cm
  • (iii)
    OP = 12 cm , PQ = 15 cm , QO = 14 cm
  • (iv)
    OP = 13 cm , PQ = 13 cm , QO = 18.38 cm
  • (v)
    OP = 11 cm , PQ = 10 cm , QO = 14.87 cm
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    NO = 14 cm , OP = 13 cm , PN = 13 cm
  • (ii)
    NO = 11 cm , OP = 11 cm , PN = 15.56 cm
  • (iii)
    NO = 14 cm , OP = 11 cm , PN = 14 cm
  • (iv)
    NO = 14 cm , OP = 20 cm , PN = 10 cm
  • (v)
    NO = 10 cm , OP = 11 cm , PN = 14.87 cm
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠L = 53.75° , ∠M = 90° , ∠N = 36.25°
  • (ii)
    ∠L = 45° , ∠M = 90° , ∠N = 45°
  • (iii)
    ∠L = 69.51° , ∠M = 59.17° , ∠N = 51.32°
  • (iv)
    ∠L = 70.46° , ∠M = 54.77° , ∠N = 54.77°
  • (v)
    ∠L = 60° , ∠M = 60° , ∠N = 60°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠O = 97.18° , ∠P = 41.41° , ∠Q = 41.41°
  • (ii)
    ∠O = 51.84° , ∠P = 90° , ∠Q = 38.16°
  • (iii)
    ∠O = 91.04° , ∠P = 47.16° , ∠Q = 41.8°
  • (iv)
    ∠O = 60° , ∠P = 60° , ∠Q = 60°
  • (v)
    ∠O = 53.13° , ∠P = 67.38° , ∠Q = 59.49°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠O = 45.24° , ∠P = 67.38° , ∠Q = 67.38°
  • (ii)
    ∠O = 45° , ∠P = 90° , ∠Q = 45°
  • (iii)
    ∠O = 80.25° , ∠P = 58.67° , ∠Q = 41.08°
  • (iv)
    ∠O = 64.78° , ∠P = 57.61° , ∠Q = 57.61°
  • (v)
    ∠O = 60° , ∠P = 60° , ∠Q = 60°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠E = 78.46° , ∠F = 44.42° , ∠G = 57.12°
  • (ii)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
  • (iii)
    ∠E = 51.84° , ∠F = 90° , ∠G = 38.16°
  • (iv)
    ∠E = 121.19° , ∠F = 34.77° , ∠G = 24.04°
  • (v)
    ∠E = 61.28° , ∠F = 70.81° , ∠G = 47.91°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠C = 45° , ∠D = 90° , ∠E = 45°
  • (ii)
    ∠C = 66.12° , ∠D = 56.94° , ∠E = 56.94°
  • (iii)
    ∠C = 60° , ∠D = 60° , ∠E = 60°
  • (iv)
    ∠C = 102.91° , ∠D = 36.56° , ∠E = 40.53°
  • (v)
    ∠C = 53.13° , ∠D = 59.49° , ∠E = 67.38°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠M = 92.61° , ∠N = 35.33° , ∠O = 52.06°
  • (ii)
    ∠M = 91.04° , ∠N = 41.8° , ∠O = 47.16°
  • (iii)
    ∠M = 52.02° , ∠N = 68.68° , ∠O = 59.3°
  • (iv)
    ∠M = 40.91° , ∠N = 90° , ∠O = 49.09°
  • (v)
    ∠M = 45° , ∠N = 90° , ∠O = 45°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠D = 62.18° , ∠E = 62.18° , ∠F = 55.64°
  • (ii)
    ∠D = 45° , ∠E = 90° , ∠F = 45°
  • (iii)
    ∠D = 64.63° , ∠E = 64.62° , ∠F = 50.75°
  • (iv)
    ∠D = 38.16° , ∠E = 90° , ∠F = 51.84°
  • (v)
    ∠D = 105.64° , ∠E = 31.98° , ∠F = 42.38°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    BC = 13 cm , CD = 5 cm , DB = 5 cm
  • (ii)
    BC = 9 cm , CD = 5 cm , DB = 16 cm
  • (iii)
    BC = 8 cm , CD = 19 cm , DB = 5 cm
  • (iv)
    BC = 14 cm , CD = 13 cm , DB = 10 cm
  • (v)
    BC = 7 cm , CD = 13 cm , DB = 5 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠M = 31.60° , ∠N = 94.60° , ∠O = 40.80°
  • (ii)
    ∠M = 102.50° , ∠N = 39.20° , ∠O = 51.20°
  • (iii)
    ∠M = 34.80° , ∠N = 31.70° , ∠O = 82.40°
  • (iv)
    ∠M = 65.50° , ∠N = 69.10° , ∠O = 68.20°
  • (v)
    ∠M = 67.38° , ∠N = 45.24° , ∠O = 67.38°
    Assignment Key
  •  1) (i)
  •  2) (i)
  •  3) (ii)
  •  4) (v)
  •  5) (ii)
  •  6) (ii)
  •  7) (ii)
  •  8) (v)
  •  9) (iii)
  •  10) (iv)
  •  11) (v)
  •  12) (iii)
  •  13) (iii)
  •  14) (ii)
  •  15) (iv)
  •  16) (iv)
  •  17) (iv)
  •  18) (v)
  •  19) (i)
  •  20) (iii)
  •  21) (iv)
  •  22) (v)
  •  23) (i)
  •  24) (iii)
  •  25) (iii)
  •  26) (i)
  •  27) (iii)
  •  28) (v)
  •  29) (iv)
  •  30) (v)