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)
    DE = 11 cm , EF = 11 cm , FD = 15.56 cm
  • (ii)
    DE = 13 cm , EF = 12 cm , FD = 17.69 cm
  • (iii)
    DE = 14 cm , EF = 12 cm , FD = 15 cm
  • (iv)
    DE = 13 cm , EF = 11 cm , FD = 13 cm
  • (v)
    DE = 14 cm , EF = 14 cm , FD = 14 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    AB = 14 cm , BC = 11 cm , CA = 10 cm
  • (ii)
    AB = 11 cm , BC = 14 cm , CA = 17.8 cm
  • (iii)
    AB = 13 cm , BC = 13 cm , CA = 13 cm
  • (iv)
    AB = 15 cm , BC = 10 cm , CA = 15 cm
  • (v)
    AB = 13 cm , BC = 15 cm , CA = 10 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    EF = 14 cm , FG = 10 cm , GE = 12 cm
  • (ii)
    EF = 11 cm , FG = 14 cm , GE = 11 cm
  • (iii)
    EF = 15 cm , FG = 15 cm , GE = 15 cm
  • (iv)
    EF = 15 cm , FG = 15 cm , GE = 21.21 cm
  • (v)
    EF = 15 cm , FG = 10 cm , GE = 15 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    PQ = 12 cm , QR = 11 cm , RP = 16.28 cm
  • (ii)
    PQ = 11 cm , QR = 11 cm , RP = 11 cm
  • (iii)
    PQ = 10 cm , QR = 15 cm , RP = 13 cm
  • (iv)
    PQ = 13 cm , QR = 19 cm , RP = 10 cm
  • (v)
    PQ = 12 cm , QR = 11 cm , RP = 14 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    CD = 13 cm , DE = 13 cm , EC = 18.38 cm
  • (ii)
    CD = 15 cm , DE = 21 cm , EC = 10 cm
  • (iii)
    CD = 11 cm , DE = 11 cm , EC = 13 cm
  • (iv)
    CD = 14 cm , DE = 14 cm , EC = 14 cm
  • (v)
    CD = 15 cm , DE = 12 cm , EC = 10 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    BC = 12 cm , CD = 10 cm , DB = 11 cm
  • (ii)
    BC = 14 cm , CD = 14 cm , DB = 19.8 cm
  • (iii)
    BC = 12 cm , CD = 11 cm , DB = 16.28 cm
  • (iv)
    BC = 10 cm , CD = 17 cm , DB = 13 cm
  • (v)
    BC = 15 cm , CD = 23 cm , DB = 12 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    EF = 11 cm , FG = 12 cm , GE = 10 cm
  • (ii)
    EF = 12 cm , FG = 14 cm , GE = 18.44 cm
  • (iii)
    EF = 14 cm , FG = 14 cm , GE = 19.8 cm
  • (iv)
    EF = 12 cm , FG = 12 cm , GE = 12 cm
  • (v)
    EF = 11 cm , FG = 16 cm , GE = 11 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    KL = 13 cm , LM = 12 cm , MK = 15 cm
  • (ii)
    KL = 13 cm , LM = 11 cm , MK = 13 cm
  • (iii)
    KL = 10 cm , LM = 11 cm , MK = 14.87 cm
  • (iv)
    KL = 15 cm , LM = 15 cm , MK = 21.21 cm
  • (v)
    KL = 14 cm , LM = 14 cm , MK = 14 cm
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    JK = 12 cm , KL = 15 cm , LJ = 12 cm
  • (ii)
    JK = 12 cm , KL = 15 cm , LJ = 11 cm
  • (iii)
    JK = 13 cm , KL = 13 cm , LJ = 13 cm
  • (iv)
    JK = 13 cm , KL = 10 cm , LJ = 16.4 cm
  • (v)
    JK = 11 cm , KL = 14 cm , LJ = 13 cm
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    HI = 10 cm , IJ = 10 cm , JH = 10 cm
  • (ii)
    HI = 14 cm , IJ = 12 cm , JH = 15 cm
  • (iii)
    HI = 13 cm , IJ = 13 cm , JH = 18.38 cm
  • (iv)
    HI = 12 cm , IJ = 14 cm , JH = 12 cm
  • (v)
    HI = 11 cm , IJ = 15 cm , JH = 11 cm
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    AB = 15 cm , BC = 22 cm , CA = 13 cm
  • (ii)
    AB = 12 cm , BC = 14 cm , CA = 10 cm
  • (iii)
    AB = 15 cm , BC = 15 cm , CA = 15 cm
  • (iv)
    AB = 10 cm , BC = 10 cm , CA = 11 cm
  • (v)
    AB = 14 cm , BC = 11 cm , CA = 17.8 cm
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    GH = 13 cm , HI = 13 cm , IG = 18.38 cm
  • (ii)
    GH = 14 cm , HI = 10 cm , IG = 12 cm
  • (iii)
    GH = 11 cm , HI = 15 cm , IG = 13 cm
  • (iv)
    GH = 11 cm , HI = 11 cm , IG = 11 cm
  • (v)
    GH = 11 cm , HI = 22 cm , IG = 14 cm
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    GH = 13 cm , HI = 19 cm , IG = 13 cm
  • (ii)
    GH = 12 cm , HI = 12 cm , IG = 16.97 cm
  • (iii)
    GH = 15 cm , HI = 13 cm , IG = 11 cm
  • (iv)
    GH = 14 cm , HI = 15 cm , IG = 20.52 cm
  • (v)
    GH = 15 cm , HI = 24 cm , IG = 15 cm
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    DE = 12 cm , EF = 12 cm , FD = 16.97 cm
  • (ii)
    DE = 14 cm , EF = 21 cm , FD = 10 cm
  • (iii)
    DE = 13 cm , EF = 14 cm , FD = 19.1 cm
  • (iv)
    DE = 12 cm , EF = 14 cm , FD = 12 cm
  • (v)
    DE = 14 cm , EF = 15 cm , FD = 11 cm
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠I = 45° , ∠J = 90° , ∠K = 45°
  • (ii)
    ∠I = 60° , ∠J = 60° , ∠K = 60°
  • (iii)
    ∠I = 46.95° , ∠J = 71.79° , ∠K = 61.26°
  • (iv)
    ∠I = 49.76° , ∠J = 90° , ∠K = 40.24°
  • (v)
    ∠I = 65.6° , ∠J = 57.2° , ∠K = 57.2°
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠C = 36.25° , ∠D = 90° , ∠E = 53.75°
  • (ii)
    ∠C = 59.41° , ∠D = 52.62° , ∠E = 67.97°
  • (iii)
    ∠C = 71.38° , ∠D = 54.31° , ∠E = 54.31°
  • (iv)
    ∠C = 60° , ∠D = 60° , ∠E = 60°
  • (v)
    ∠C = 52.62° , ∠D = 59.41° , ∠E = 67.97°
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠B = 83.47° , ∠C = 51.32° , ∠D = 45.21°
  • (ii)
    ∠B = 72.44° , ∠C = 53.78° , ∠D = 53.78°
  • (iii)
    ∠B = 60° , ∠C = 60° , ∠D = 60°
  • (iv)
    ∠B = 45° , ∠C = 90° , ∠D = 45°
  • (v)
    ∠B = 73.74° , ∠C = 53.13° , ∠D = 53.13°
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠F = 37.57° , ∠G = 90° , ∠H = 52.43°
  • (ii)
    ∠F = 61.28° , ∠G = 69.98° , ∠H = 48.74°
  • (iii)
    ∠F = 41.85° , ∠G = 69.07° , ∠H = 69.08°
  • (iv)
    ∠F = 135.59° , ∠G = 21.34° , ∠H = 23.07°
  • (v)
    ∠F = 60° , ∠G = 60° , ∠H = 60°
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠E = 135.33° , ∠F = 19.72° , ∠G = 24.95°
  • (ii)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
  • (iii)
    ∠E = 55.83° , ∠F = 74.85° , ∠G = 49.32°
  • (iv)
    ∠E = 52.26° , ∠F = 46.46° , ∠G = 81.28°
  • (v)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠L = 131.81° , ∠M = 25.21° , ∠N = 22.98°
  • (ii)
    ∠L = 53.75° , ∠M = 90° , ∠N = 36.25°
  • (iii)
    ∠L = 54.07° , ∠M = 62.97° , ∠N = 62.96°
  • (iv)
    ∠L = 45° , ∠M = 90° , ∠N = 45°
  • (v)
    ∠L = 110.26° , ∠M = 32.02° , ∠N = 37.72°
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠E = 131.42° , ∠F = 20.92° , ∠G = 27.66°
  • (ii)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
  • (iii)
    ∠E = 49.32° , ∠F = 55.83° , ∠G = 74.85°
  • (iv)
    ∠E = 35.54° , ∠F = 90° , ∠G = 54.46°
  • (v)
    ∠E = 49.25° , ∠F = 65.37° , ∠G = 65.38°
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠P = 50.19° , ∠Q = 90° , ∠R = 39.81°
  • (ii)
    ∠P = 72.62° , ∠Q = 62.96° , ∠R = 44.42°
  • (iii)
    ∠P = 45° , ∠Q = 90° , ∠R = 45°
  • (iv)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
  • (v)
    ∠P = 85.98° , ∠Q = 47.01° , ∠R = 47.01°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠P = 42.71° , ∠Q = 90° , ∠R = 47.29°
  • (ii)
    ∠P = 72.62° , ∠Q = 62.96° , ∠R = 44.42°
  • (iii)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
  • (iv)
    ∠P = 65.16° , ∠Q = 57.42° , ∠R = 57.42°
  • (v)
    ∠P = 61.26° , ∠Q = 71.79° , ∠R = 46.95°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠J = 62.96° , ∠K = 72.62° , ∠L = 44.42°
  • (ii)
    ∠J = 60° , ∠K = 60° , ∠L = 60°
  • (iii)
    ∠J = 45° , ∠K = 90° , ∠L = 45°
  • (iv)
    ∠J = 88.86° , ∠K = 45.57° , ∠L = 45.57°
  • (v)
    ∠J = 66.12° , ∠K = 56.94° , ∠L = 56.94°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠J = 60° , ∠K = 60° , ∠L = 60°
  • (ii)
    ∠J = 44.42° , ∠K = 78.46° , ∠L = 57.12°
  • (iii)
    ∠J = 42.88° , ∠K = 90° , ∠L = 47.12°
  • (iv)
    ∠J = 116.39° , ∠K = 35.75° , ∠L = 27.86°
  • (v)
    ∠J = 51.32° , ∠K = 59.17° , ∠L = 69.51°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠N = 63.03° , ∠O = 73.69° , ∠P = 43.28°
  • (ii)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
  • (iii)
    ∠N = 123.24° , ∠O = 29.62° , ∠P = 27.14°
  • (iv)
    ∠N = 45° , ∠O = 90° , ∠P = 45°
  • (v)
    ∠N = 57.42° , ∠O = 65.16° , ∠P = 57.42°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠G = 54.77° , ∠H = 70.46° , ∠I = 54.77°
  • (ii)
    ∠G = 129.52° , ∠H = 26.53° , ∠I = 23.95°
  • (iii)
    ∠G = 92.02° , ∠H = 46.2° , ∠I = 41.78°
  • (iv)
    ∠G = 45° , ∠H = 90° , ∠I = 45°
  • (v)
    ∠G = 50.19° , ∠H = 90° , ∠I = 39.81°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠B = 120.25° , ∠C = 34.16° , ∠D = 25.59°
  • (ii)
    ∠B = 56.31° , ∠C = 90° , ∠D = 33.69°
  • (iii)
    ∠B = 51.32° , ∠C = 69.51° , ∠D = 59.17°
  • (iv)
    ∠B = 45° , ∠C = 90° , ∠D = 45°
  • (v)
    ∠B = 67.38° , ∠C = 59.49° , ∠D = 53.13°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    LM = 13 cm , MN = 5 cm , NL = 6 cm
  • (ii)
    LM = 17 cm , MN = 5 cm , NL = 8 cm
  • (iii)
    LM = 11 cm , MN = 11 cm , NL = 15 cm
  • (iv)
    LM = 6 cm , MN = 9 cm , NL = 17 cm
  • (v)
    LM = 6 cm , MN = 19 cm , NL = 11 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠P = 116.80° , ∠Q = 105.80° , ∠R = 94.90°
  • (ii)
    ∠P = 59.50° , ∠Q = 51.10° , ∠R = 48.90°
  • (iii)
    ∠P = 79.70° , ∠Q = 87.50° , ∠R = 60.70°
  • (iv)
    ∠P = 74.85° , ∠Q = 55.83° , ∠R = 49.32°
  • (v)
    ∠P = 100.80° , ∠Q = 114.40° , ∠R = 63.70°
Question 31
31.
In a right angled triangle, if one of the angles is 54.46°, find the third angle
  • (i)
    45.54°
  • (ii)
    65.54°
  • (iii)
    40.54°
  • (iv)
    50.54°
  • (v)
    35.54°
Question 32
32.
In a right angled triangle, if one of the angles is 51.84°, find the third angle
  • (i)
    53.16°
  • (ii)
    48.16°
  • (iii)
    38.16°
  • (iv)
    68.16°
  • (v)
    43.16°
Question 33
33.
Consider the following figure. State which of the following statements are true
a)
    •  


      FG
       
       
    •  


      GE
       
       
b)
    •  


      GE
       
       
    •  


      EF
       
       
c)
    •  


      FG
       
       
    • =
    •  


      GE
       
       
d)
    •  


      EF
       
       
    • =
    •  


      FG
       
       
e)
    •  


      GE
       
       
    • =
    •  


      EF
       
       
f)
    •  


      EF
       
       
    •  


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


      NO
       
       
    •  


      OM
       
       
b)
    •  


      MN
       
       
    •  


      NO
       
       
c)
    •  


      MN
       
       
    • =
    •  


      NO
       
       
d)
    •  


      NO
       
       
    • =
    •  


      OM
       
       
e)
    •  


      OM
       
       
    • =
    •  


      MN
       
       
f)
    •  


      OM
       
       
    •  


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


      DB
       
       
    •  


      BC
       
       
b)
    •  


      BC
       
       
    • =
    •  


      CD
       
       
c)
    •  


      DB
       
       
    • =
    •  


      BC
       
       
d)
    •  


      CD
       
       
    •  


      DB
       
       
e)
    •  


      CD
       
       
    • =
    •  


      DB
       
       
f)
    •  


      BC
       
       
    •  


      CD
       
       
  • (i)
    {c,a,d}
  • (ii)
    {a,d,f}
  • (iii)
    {e,b,f}
  • (iv)
    {b,a}
  • (v)
    {c,d}
Question 36
36.
Consider the following figure. State which of the following statements are true
a)
    • ∠M
    • =
    • ∠N
b)
    • ∠N
    • =
    • ∠O
c)
    • ∠O
    • ∠M
d)
    • ∠N
    • ∠O
e)
    • ∠O
    • =
    • ∠M
f)
    • ∠M
    • ∠N
  • (i)
    {d,b}
  • (ii)
    {d,a,b}
  • (iii)
    {c,a}
  • (iv)
    {a,b,e}
  • (v)
    {f,c,e}
Question 37
37.
Consider the following figure. State which of the following statements are true
a)
    • ∠B
    • =
    • ∠C
b)
    • ∠C
    • ∠D
c)
    • ∠B
    • ∠C
d)
    • ∠D
    • ∠B
e)
    • ∠D
    • =
    • ∠B
f)
    • ∠C
    • =
    • ∠D
  • (i)
    {a,c}
  • (ii)
    {b,c,d}
  • (iii)
    {b,d}
  • (iv)
    {e,a,f}
  • (v)
    {c,d,f}
Question 38
38.
Consider the following figure. State which of the following statements are true
a)
    • ∠F
    • =
    • ∠G
b)
    • ∠E
    • ∠F
c)
    • ∠F
    • ∠G
d)
    • ∠G
    • =
    • ∠E
e)
    • ∠G
    • ∠E
f)
    • ∠E
    • =
    • ∠F
  • (i)
    {b,c,e}
  • (ii)
    {d,b,c}
  • (iii)
    {a,b}
  • (iv)
    {d,c}
  • (v)
    {f,a,e}
    Assignment Key

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