EduSahara™ Assignment
Name : Types of Triangles
Chapter : Triangles and Its Properties
Grade : SSC Grade VII
License : Non Commercial Use
Question 1
1.
Which of the following are measures of an equilateral triangle ?
  • (i)
    MN = 10 cm , NO = 10 cm , OM = 14.14 cm
  • (ii)
    MN = 13 cm , NO = 10 cm , OM = 13 cm
  • (iii)
    MN = 13 cm , NO = 13 cm , OM = 13 cm
  • (iv)
    MN = 12 cm , NO = 13 cm , OM = 14 cm
  • (v)
    MN = 12 cm , NO = 15 cm , OM = 19.21 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    HI = 14 cm , IJ = 12 cm , JH = 18.44 cm
  • (ii)
    HI = 15 cm , IJ = 12 cm , JH = 10 cm
  • (iii)
    HI = 13 cm , IJ = 11 cm , JH = 13 cm
  • (iv)
    HI = 13 cm , IJ = 13 cm , JH = 13 cm
  • (v)
    HI = 14 cm , IJ = 10 cm , JH = 11 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    HI = 15 cm , IJ = 15 cm , JH = 21.21 cm
  • (ii)
    HI = 14 cm , IJ = 11 cm , JH = 14 cm
  • (iii)
    HI = 14 cm , IJ = 14 cm , JH = 14 cm
  • (iv)
    HI = 10 cm , IJ = 14 cm , JH = 10 cm
  • (v)
    HI = 15 cm , IJ = 13 cm , JH = 14 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    LM = 11 cm , MN = 21 cm , NL = 15 cm
  • (ii)
    LM = 13 cm , MN = 10 cm , NL = 16.4 cm
  • (iii)
    LM = 13 cm , MN = 12 cm , NL = 14 cm
  • (iv)
    LM = 13 cm , MN = 13 cm , NL = 13 cm
  • (v)
    LM = 12 cm , MN = 14 cm , NL = 10 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    OP = 15 cm , PQ = 12 cm , QO = 12 cm
  • (ii)
    OP = 14 cm , PQ = 14 cm , QO = 19.8 cm
  • (iii)
    OP = 12 cm , PQ = 14 cm , QO = 15 cm
  • (iv)
    OP = 15 cm , PQ = 21 cm , QO = 13 cm
  • (v)
    OP = 10 cm , PQ = 10 cm , QO = 10 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    BC = 10 cm , CD = 12 cm , DB = 15.62 cm
  • (ii)
    BC = 10 cm , CD = 19 cm , DB = 14 cm
  • (iii)
    BC = 10 cm , CD = 10 cm , DB = 14.14 cm
  • (iv)
    BC = 12 cm , CD = 21 cm , DB = 15 cm
  • (v)
    BC = 15 cm , CD = 10 cm , DB = 13 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    KL = 13 cm , LM = 10 cm , MK = 10 cm
  • (ii)
    KL = 13 cm , LM = 25 cm , MK = 14 cm
  • (iii)
    KL = 15 cm , LM = 15 cm , MK = 21.21 cm
  • (iv)
    KL = 10 cm , LM = 13 cm , MK = 16.4 cm
  • (v)
    KL = 13 cm , LM = 15 cm , MK = 11 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    BC = 14 cm , CD = 10 cm , DB = 11 cm
  • (ii)
    BC = 13 cm , CD = 13 cm , DB = 18.38 cm
  • (iii)
    BC = 11 cm , CD = 11 cm , DB = 11 cm
  • (iv)
    BC = 14 cm , CD = 12 cm , DB = 18.44 cm
  • (v)
    BC = 11 cm , CD = 13 cm , DB = 11 cm
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    GH = 11 cm , HI = 12 cm , IG = 16.28 cm
  • (ii)
    GH = 11 cm , HI = 15 cm , IG = 11 cm
  • (iii)
    GH = 14 cm , HI = 15 cm , IG = 10 cm
  • (iv)
    GH = 15 cm , HI = 14 cm , IG = 13 cm
  • (v)
    GH = 11 cm , HI = 11 cm , IG = 11 cm
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    IJ = 11 cm , JK = 11 cm , KI = 11 cm
  • (ii)
    IJ = 10 cm , JK = 10 cm , KI = 14.14 cm
  • (iii)
    IJ = 11 cm , JK = 14 cm , KI = 11 cm
  • (iv)
    IJ = 11 cm , JK = 13 cm , KI = 11 cm
  • (v)
    IJ = 12 cm , JK = 11 cm , KI = 14 cm
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    JK = 12 cm , KL = 22 cm , LJ = 14 cm
  • (ii)
    JK = 10 cm , KL = 12 cm , LJ = 12 cm
  • (iii)
    JK = 12 cm , KL = 12 cm , LJ = 12 cm
  • (iv)
    JK = 12 cm , KL = 10 cm , LJ = 11 cm
  • (v)
    JK = 14 cm , KL = 13 cm , LJ = 19.1 cm
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    KL = 12 cm , LM = 12 cm , MK = 16.97 cm
  • (ii)
    KL = 15 cm , LM = 15 cm , MK = 15 cm
  • (iii)
    KL = 15 cm , LM = 14 cm , MK = 11 cm
  • (iv)
    KL = 12 cm , LM = 22 cm , MK = 14 cm
  • (v)
    KL = 10 cm , LM = 12 cm , MK = 10 cm
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    AB = 11 cm , BC = 13 cm , CA = 14 cm
  • (ii)
    AB = 10 cm , BC = 22 cm , CA = 15 cm
  • (iii)
    AB = 14 cm , BC = 14 cm , CA = 19.8 cm
  • (iv)
    AB = 11 cm , BC = 19 cm , CA = 11 cm
  • (v)
    AB = 10 cm , BC = 15 cm , CA = 18.03 cm
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    BC = 11 cm , CD = 13 cm , DB = 10 cm
  • (ii)
    BC = 10 cm , CD = 10 cm , DB = 14.14 cm
  • (iii)
    BC = 12 cm , CD = 23 cm , DB = 14 cm
  • (iv)
    BC = 11 cm , CD = 12 cm , DB = 16.28 cm
  • (v)
    BC = 10 cm , CD = 12 cm , DB = 10 cm
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠E = 97.18° , ∠F = 41.41° , ∠G = 41.41°
  • (ii)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
  • (iii)
    ∠E = 63.03° , ∠F = 43.28° , ∠G = 73.69°
  • (iv)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
  • (v)
    ∠E = 49.09° , ∠F = 90° , ∠G = 40.91°
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠L = 60° , ∠M = 60° , ∠N = 60°
  • (ii)
    ∠L = 48.74° , ∠M = 61.28° , ∠N = 69.98°
  • (iii)
    ∠L = 56.31° , ∠M = 90° , ∠N = 33.69°
  • (iv)
    ∠L = 47.91° , ∠M = 70.81° , ∠N = 61.28°
  • (v)
    ∠L = 65.6° , ∠M = 57.2° , ∠N = 57.2°
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠K = 45° , ∠L = 90° , ∠M = 45°
  • (ii)
    ∠K = 60° , ∠L = 60° , ∠M = 60°
  • (iii)
    ∠K = 46.26° , ∠L = 66.87° , ∠M = 66.87°
  • (iv)
    ∠K = 45.24° , ∠L = 67.38° , ∠M = 67.38°
  • (v)
    ∠K = 43.28° , ∠L = 73.69° , ∠M = 63.03°
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠C = 61.26° , ∠D = 46.95° , ∠E = 71.79°
  • (ii)
    ∠C = 60° , ∠D = 60° , ∠E = 60°
  • (iii)
    ∠C = 38.66° , ∠D = 90° , ∠E = 51.34°
  • (iv)
    ∠C = 85.46° , ∠D = 52.89° , ∠E = 41.65°
  • (v)
    ∠C = 120.75° , ∠D = 28.21° , ∠E = 31.04°
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠H = 60° , ∠I = 60° , ∠J = 60°
  • (ii)
    ∠H = 61.26° , ∠I = 46.95° , ∠J = 71.79°
  • (iii)
    ∠H = 45° , ∠I = 90° , ∠J = 45°
  • (iv)
    ∠H = 114.72° , ∠I = 27.01° , ∠J = 38.27°
  • (v)
    ∠H = 70.81° , ∠I = 61.28° , ∠J = 47.91°
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠F = 35.54° , ∠G = 90° , ∠H = 54.46°
  • (ii)
    ∠F = 100.29° , ∠G = 36.18° , ∠H = 43.53°
  • (iii)
    ∠F = 45° , ∠G = 90° , ∠H = 45°
  • (iv)
    ∠F = 124.23° , ∠G = 25.55° , ∠H = 30.22°
  • (v)
    ∠F = 73.74° , ∠G = 53.13° , ∠H = 53.13°
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠F = 95.74° , ∠G = 33.56° , ∠H = 50.7°
  • (ii)
    ∠F = 51.84° , ∠G = 90° , ∠H = 38.16°
  • (iii)
    ∠F = 76.87° , ∠G = 45.57° , ∠H = 57.56°
  • (iv)
    ∠F = 44.42° , ∠G = 62.96° , ∠H = 72.62°
  • (v)
    ∠F = 45° , ∠G = 90° , ∠H = 45°
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠E = 51.84° , ∠F = 90° , ∠G = 38.16°
  • (ii)
    ∠E = 76.33° , ∠F = 48.37° , ∠G = 55.3°
  • (iii)
    ∠E = 65.6° , ∠F = 57.2° , ∠G = 57.2°
  • (iv)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
  • (v)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠I = 38.94° , ∠J = 70.53° , ∠K = 70.53°
  • (ii)
    ∠I = 59.49° , ∠J = 67.38° , ∠K = 53.13°
  • (iii)
    ∠I = 51.34° , ∠J = 90° , ∠K = 38.66°
  • (iv)
    ∠I = 60° , ∠J = 60° , ∠K = 60°
  • (v)
    ∠I = 71.79° , ∠J = 46.95° , ∠K = 61.26°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
  • (ii)
    ∠E = 65.16° , ∠F = 57.42° , ∠G = 57.42°
  • (iii)
    ∠E = 61.28° , ∠F = 70.81° , ∠G = 47.91°
  • (iv)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
  • (v)
    ∠E = 45.24° , ∠F = 67.38° , ∠G = 67.38°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠N = 143.62° , ∠O = 18.19° , ∠P = 18.19°
  • (ii)
    ∠N = 51.32° , ∠O = 45.21° , ∠P = 83.47°
  • (iii)
    ∠N = 78.46° , ∠O = 44.42° , ∠P = 57.12°
  • (iv)
    ∠N = 50.19° , ∠O = 90° , ∠P = 39.81°
  • (v)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠N = 92.02° , ∠O = 41.78° , ∠P = 46.2°
  • (ii)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
  • (iii)
    ∠N = 45° , ∠O = 90° , ∠P = 45°
  • (iv)
    ∠N = 74.85° , ∠O = 55.83° , ∠P = 49.32°
  • (v)
    ∠N = 75.31° , ∠O = 64.53° , ∠P = 40.16°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠A = 131.81° , ∠B = 25.21° , ∠C = 22.98°
  • (ii)
    ∠A = 62.72° , ∠B = 62.72° , ∠C = 54.56°
  • (iii)
    ∠A = 95.22° , ∠B = 44.66° , ∠C = 40.12°
  • (iv)
    ∠A = 45° , ∠B = 90° , ∠C = 45°
  • (v)
    ∠A = 42.51° , ∠B = 90° , ∠C = 47.49°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠E = 67.97° , ∠F = 52.62° , ∠G = 59.41°
  • (ii)
    ∠E = 56.31° , ∠F = 90° , ∠G = 33.69°
  • (iii)
    ∠E = 120.75° , ∠F = 31.04° , ∠G = 28.21°
  • (iv)
    ∠E = 50.06° , ∠F = 64.97° , ∠G = 64.97°
  • (v)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    GH = 13 cm , HI = 11 cm , IG = 15 cm
  • (ii)
    GH = 20 cm , HI = 13 cm , IG = 5 cm
  • (iii)
    GH = 5 cm , HI = 8 cm , IG = 19 cm
  • (iv)
    GH = 7 cm , HI = 18 cm , IG = 9 cm
  • (v)
    GH = 5 cm , HI = 13 cm , IG = 5 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠A = 64.80° , ∠B = 89.70° , ∠C = 84.60°
  • (ii)
    ∠A = 39.30° , ∠B = 94.80° , ∠C = 57.90°
  • (iii)
    ∠A = 64.30° , ∠B = 45.10° , ∠C = 119.20°
  • (iv)
    ∠A = 103.30° , ∠B = 82.50° , ∠C = 108.80°
  • (v)
    ∠A = 83.47° , ∠B = 51.32° , ∠C = 45.21°
Question 31
31.
In a right angled triangle, if one of the angles is 36.25°, find the third angle
  • (i)
    53.75°
  • (ii)
    63.75°
  • (iii)
    58.75°
  • (iv)
    83.75°
  • (v)
    68.75°
Question 32
32.
In a right angled triangle, if one of the angles is 38.16°, find the third angle
  • (i)
    81.84°
  • (ii)
    66.84°
  • (iii)
    51.84°
  • (iv)
    56.84°
  • (v)
    61.84°
Question 33
33.
Consider the following figure. State which of the following statements are true
a)
    •  


      KL
       
       
    •  


      LM
       
       
b)
    •  


      LM
       
       
    • =
    •  


      MK
       
       
c)
    •  


      KL
       
       
    • =
    •  


      LM
       
       
d)
    •  


      LM
       
       
    •  


      MK
       
       
e)
    •  


      MK
       
       
    • =
    •  


      KL
       
       
f)
    •  


      MK
       
       
    •  


      KL
       
       
  • (i)
    {d,c}
  • (ii)
    {a,b}
  • (iii)
    {d,b,c}
  • (iv)
    {f,a,e}
  • (v)
    {b,c,e}
Question 34
34.
Consider the following figure. State which of the following statements are true
a)
    •  


      IJ
       
       
    • =
    •  


      JK
       
       
b)
    •  


      KI
       
       
    • =
    •  


      IJ
       
       
c)
    •  


      JK
       
       
    •  


      KI
       
       
d)
    •  


      KI
       
       
    •  


      IJ
       
       
e)
    •  


      JK
       
       
    • =
    •  


      KI
       
       
f)
    •  


      IJ
       
       
    •  


      JK
       
       
  • (i)
    {d,b,c}
  • (ii)
    {b,c,f}
  • (iii)
    {a,b}
  • (iv)
    {d,c}
  • (v)
    {e,a,f}
Question 35
35.
Consider the following figure. State which of the following statements are true
a)
    •  


      HF
       
       
    • =
    •  


      FG
       
       
b)
    •  


      GH
       
       
    •  


      HF
       
       
c)
    •  


      GH
       
       
    • =
    •  


      HF
       
       
d)
    •  


      HF
       
       
    •  


      FG
       
       
e)
    •  


      FG
       
       
    •  


      GH
       
       
f)
    •  


      FG
       
       
    • =
    •  


      GH
       
       
  • (i)
    {c,d}
  • (ii)
    {f,a,e}
  • (iii)
    {c,b,d}
  • (iv)
    {b,d,e}
  • (v)
    {a,b}
Question 36
36.
Consider the following figure. State which of the following statements are true
a)
    • ∠Q
    • ∠R
b)
    • ∠R
    • ∠P
c)
    • ∠R
    • =
    • ∠P
d)
    • ∠P
    • ∠Q
e)
    • ∠P
    • =
    • ∠Q
f)
    • ∠Q
    • =
    • ∠R
  • (i)
    {a,c}
  • (ii)
    {b,e}
  • (iii)
    {c,e,f}
  • (iv)
    {b,c,e}
  • (v)
    {d,a,f}
Question 37
37.
Consider the following figure. State which of the following statements are true
a)
    • ∠J
    • ∠K
b)
    • ∠L
    • =
    • ∠J
c)
    • ∠K
    • ∠L
d)
    • ∠K
    • =
    • ∠L
e)
    • ∠L
    • ∠J
f)
    • ∠J
    • =
    • ∠K
  • (i)
    {f,b,e}
  • (ii)
    {c,d}
  • (iii)
    {c,a,d}
  • (iv)
    {b,a}
  • (v)
    {a,d,e}
Question 38
38.
Consider the following figure. State which of the following statements are true
a)
    • ∠B
    • ∠C
b)
    • ∠C
    • ∠D
c)
    • ∠D
    • ∠B
d)
    • ∠D
    • =
    • ∠B
e)
    • ∠B
    • =
    • ∠C
f)
    • ∠C
    • =
    • ∠D
  • (i)
    {a,b,c}
  • (ii)
    {d,a}
  • (iii)
    {f,d,c}
  • (iv)
    {e,b}
  • (v)
    {e,a,b}
    Assignment Key

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