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)
    JK = 10 cm , KL = 13 cm , LJ = 16.4 cm
  • (ii)
    JK = 15 cm , KL = 15 cm , LJ = 21.21 cm
  • (iii)
    JK = 12 cm , KL = 12 cm , LJ = 12 cm
  • (iv)
    JK = 12 cm , KL = 14 cm , LJ = 12 cm
  • (v)
    JK = 12 cm , KL = 11 cm , LJ = 10 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    NO = 15 cm , OP = 12 cm , PN = 11 cm
  • (ii)
    NO = 13 cm , OP = 15 cm , PN = 13 cm
  • (iii)
    NO = 13 cm , OP = 14 cm , PN = 15 cm
  • (iv)
    NO = 12 cm , OP = 12 cm , PN = 12 cm
  • (v)
    NO = 11 cm , OP = 13 cm , PN = 17.03 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    JK = 13 cm , KL = 15 cm , LJ = 13 cm
  • (ii)
    JK = 11 cm , KL = 10 cm , LJ = 15 cm
  • (iii)
    JK = 12 cm , KL = 12 cm , LJ = 12 cm
  • (iv)
    JK = 13 cm , KL = 13 cm , LJ = 18.38 cm
  • (v)
    JK = 11 cm , KL = 12 cm , LJ = 11 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    JK = 14 cm , KL = 12 cm , LJ = 11 cm
  • (ii)
    JK = 13 cm , KL = 15 cm , LJ = 12 cm
  • (iii)
    JK = 10 cm , KL = 10 cm , LJ = 10 cm
  • (iv)
    JK = 15 cm , KL = 10 cm , LJ = 18.03 cm
  • (v)
    JK = 14 cm , KL = 24 cm , LJ = 15 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    OP = 12 cm , PQ = 12 cm , QO = 13 cm
  • (ii)
    OP = 12 cm , PQ = 12 cm , QO = 16.97 cm
  • (iii)
    OP = 14 cm , PQ = 12 cm , QO = 15 cm
  • (iv)
    OP = 14 cm , PQ = 22 cm , QO = 14 cm
  • (v)
    OP = 14 cm , PQ = 14 cm , QO = 14 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    IJ = 12 cm , JK = 14 cm , KI = 12 cm
  • (ii)
    IJ = 10 cm , JK = 10 cm , KI = 14.14 cm
  • (iii)
    IJ = 12 cm , JK = 15 cm , KI = 19.21 cm
  • (iv)
    IJ = 13 cm , JK = 26 cm , KI = 15 cm
  • (v)
    IJ = 11 cm , JK = 21 cm , KI = 12 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    DE = 15 cm , EF = 13 cm , FD = 13 cm
  • (ii)
    DE = 13 cm , EF = 13 cm , FD = 18.38 cm
  • (iii)
    DE = 12 cm , EF = 22 cm , FD = 15 cm
  • (iv)
    DE = 11 cm , EF = 14 cm , FD = 17.8 cm
  • (v)
    DE = 13 cm , EF = 10 cm , FD = 14 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    HI = 15 cm , IJ = 14 cm , JH = 20.52 cm
  • (ii)
    HI = 10 cm , IJ = 12 cm , JH = 14 cm
  • (iii)
    HI = 14 cm , IJ = 14 cm , JH = 14 cm
  • (iv)
    HI = 13 cm , IJ = 13 cm , JH = 18.38 cm
  • (v)
    HI = 13 cm , IJ = 10 cm , JH = 13 cm
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    EF = 11 cm , FG = 15 cm , GE = 11 cm
  • (ii)
    EF = 10 cm , FG = 11 cm , GE = 13 cm
  • (iii)
    EF = 15 cm , FG = 12 cm , GE = 19.21 cm
  • (iv)
    EF = 13 cm , FG = 13 cm , GE = 13 cm
  • (v)
    EF = 14 cm , FG = 12 cm , GE = 13 cm
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    OP = 10 cm , PQ = 10 cm , QO = 10 cm
  • (ii)
    OP = 10 cm , PQ = 11 cm , QO = 10 cm
  • (iii)
    OP = 14 cm , PQ = 14 cm , QO = 19.8 cm
  • (iv)
    OP = 15 cm , PQ = 10 cm , QO = 14 cm
  • (v)
    OP = 13 cm , PQ = 15 cm , QO = 13 cm
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    CD = 13 cm , DE = 12 cm , EC = 17.69 cm
  • (ii)
    CD = 14 cm , DE = 13 cm , EC = 15 cm
  • (iii)
    CD = 12 cm , DE = 14 cm , EC = 13 cm
  • (iv)
    CD = 11 cm , DE = 11 cm , EC = 11 cm
  • (v)
    CD = 10 cm , DE = 21 cm , EC = 14 cm
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    EF = 14 cm , FG = 14 cm , GE = 19.8 cm
  • (ii)
    EF = 10 cm , FG = 12 cm , GE = 11 cm
  • (iii)
    EF = 10 cm , FG = 14 cm , GE = 13 cm
  • (iv)
    EF = 10 cm , FG = 21 cm , GE = 13 cm
  • (v)
    EF = 12 cm , FG = 12 cm , GE = 12 cm
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    MN = 12 cm , NO = 10 cm , OM = 15.62 cm
  • (ii)
    MN = 10 cm , NO = 18 cm , OM = 14 cm
  • (iii)
    MN = 13 cm , NO = 12 cm , OM = 15 cm
  • (iv)
    MN = 11 cm , NO = 22 cm , OM = 14 cm
  • (v)
    MN = 14 cm , NO = 14 cm , OM = 19.8 cm
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    JK = 11 cm , KL = 23 cm , LJ = 15 cm
  • (ii)
    JK = 10 cm , KL = 13 cm , LJ = 13 cm
  • (iii)
    JK = 13 cm , KL = 13 cm , LJ = 18.38 cm
  • (iv)
    JK = 11 cm , KL = 12 cm , LJ = 16.28 cm
  • (v)
    JK = 14 cm , KL = 14 cm , LJ = 11 cm
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠H = 46.26° , ∠I = 66.87° , ∠J = 66.87°
  • (ii)
    ∠H = 42.27° , ∠I = 90° , ∠J = 47.73°
  • (iii)
    ∠H = 45° , ∠I = 90° , ∠J = 45°
  • (iv)
    ∠H = 69.98° , ∠I = 61.28° , ∠J = 48.74°
  • (v)
    ∠H = 60° , ∠I = 60° , ∠J = 60°
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠O = 78.46° , ∠P = 57.12° , ∠Q = 44.42°
  • (ii)
    ∠O = 80.25° , ∠P = 41.08° , ∠Q = 58.67°
  • (iii)
    ∠O = 66.12° , ∠P = 56.94° , ∠Q = 56.94°
  • (iv)
    ∠O = 49.4° , ∠P = 90° , ∠Q = 40.6°
  • (v)
    ∠O = 60° , ∠P = 60° , ∠Q = 60°
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠A = 50.06° , ∠B = 64.97° , ∠C = 64.97°
  • (ii)
    ∠A = 49.32° , ∠B = 74.85° , ∠C = 55.83°
  • (iii)
    ∠A = 85.98° , ∠B = 47.01° , ∠C = 47.01°
  • (iv)
    ∠A = 45° , ∠B = 90° , ∠C = 45°
  • (v)
    ∠A = 60° , ∠B = 60° , ∠C = 60°
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠A = 101.2° , ∠B = 39.4° , ∠C = 39.4°
  • (ii)
    ∠A = 47.12° , ∠B = 90° , ∠C = 42.88°
  • (iii)
    ∠A = 71.79° , ∠B = 46.95° , ∠C = 61.26°
  • (iv)
    ∠A = 41.08° , ∠B = 80.25° , ∠C = 58.67°
  • (v)
    ∠A = 60° , ∠B = 60° , ∠C = 60°
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠G = 60° , ∠H = 60° , ∠I = 60°
  • (ii)
    ∠G = 55.3° , ∠H = 48.37° , ∠I = 76.33°
  • (iii)
    ∠G = 41.65° , ∠H = 52.89° , ∠I = 85.46°
  • (iv)
    ∠G = 111.32° , ∠H = 32.64° , ∠I = 36.04°
  • (v)
    ∠G = 45° , ∠H = 90° , ∠I = 45°
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠E = 119.46° , ∠F = 30.27° , ∠G = 30.27°
  • (ii)
    ∠E = 85.46° , ∠F = 52.89° , ∠G = 41.65°
  • (iii)
    ∠E = 37.57° , ∠F = 90° , ∠G = 52.43°
  • (iv)
    ∠E = 120.14° , ∠F = 29.93° , ∠G = 29.93°
  • (v)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠A = 44.42° , ∠B = 62.96° , ∠C = 72.62°
  • (ii)
    ∠A = 120.14° , ∠B = 29.93° , ∠C = 29.93°
  • (iii)
    ∠A = 49.76° , ∠B = 90° , ∠C = 40.24°
  • (iv)
    ∠A = 59.17° , ∠B = 51.32° , ∠C = 69.51°
  • (v)
    ∠A = 45° , ∠B = 90° , ∠C = 45°
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠M = 45° , ∠N = 90° , ∠O = 45°
  • (ii)
    ∠M = 40.6° , ∠N = 90° , ∠O = 49.4°
  • (iii)
    ∠M = 60° , ∠N = 60° , ∠O = 60°
  • (iv)
    ∠M = 72.62° , ∠N = 44.42° , ∠O = 62.96°
  • (v)
    ∠M = 77.36° , ∠N = 51.32° , ∠O = 51.32°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠L = 60° , ∠M = 60° , ∠N = 60°
  • (ii)
    ∠L = 54.56° , ∠M = 62.72° , ∠N = 62.72°
  • (iii)
    ∠L = 51.32° , ∠M = 59.17° , ∠N = 69.51°
  • (iv)
    ∠L = 33.69° , ∠M = 90° , ∠N = 56.31°
  • (v)
    ∠L = 59.41° , ∠M = 67.97° , ∠N = 52.62°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠L = 69.98° , ∠M = 61.28° , ∠N = 48.74°
  • (ii)
    ∠L = 64.78° , ∠M = 57.61° , ∠N = 57.61°
  • (iii)
    ∠L = 50.06° , ∠M = 64.97° , ∠N = 64.97°
  • (iv)
    ∠L = 60° , ∠M = 60° , ∠N = 60°
  • (v)
    ∠L = 45° , ∠M = 90° , ∠N = 45°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠G = 37.57° , ∠H = 90° , ∠I = 52.43°
  • (ii)
    ∠G = 55.83° , ∠H = 49.32° , ∠I = 74.85°
  • (iii)
    ∠G = 60° , ∠H = 60° , ∠I = 60°
  • (iv)
    ∠G = 76.33° , ∠H = 55.3° , ∠I = 48.37°
  • (v)
    ∠G = 97.18° , ∠H = 41.41° , ∠I = 41.41°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠J = 60° , ∠K = 60° , ∠L = 60°
  • (ii)
    ∠J = 91.04° , ∠K = 47.16° , ∠L = 41.8°
  • (iii)
    ∠J = 45° , ∠K = 90° , ∠L = 45°
  • (iv)
    ∠J = 69.07° , ∠K = 41.85° , ∠L = 69.08°
  • (v)
    ∠J = 132.88° , ∠K = 23.56° , ∠L = 23.56°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠B = 94.41° , ∠C = 35.91° , ∠D = 49.68°
  • (ii)
    ∠B = 53.75° , ∠C = 90° , ∠D = 36.25°
  • (iii)
    ∠B = 128.32° , ∠C = 25.84° , ∠D = 25.84°
  • (iv)
    ∠B = 50.75° , ∠C = 64.63° , ∠D = 64.62°
  • (v)
    ∠B = 45° , ∠C = 90° , ∠D = 45°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠L = 45.57° , ∠M = 45.57° , ∠N = 88.86°
  • (ii)
    ∠L = 42.88° , ∠M = 90° , ∠N = 47.12°
  • (iii)
    ∠L = 74.85° , ∠M = 49.32° , ∠N = 55.83°
  • (iv)
    ∠L = 45° , ∠M = 90° , ∠N = 45°
  • (v)
    ∠L = 117.82° , ∠M = 28.62° , ∠N = 33.56°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    PQ = 6 cm , QR = 9 cm , RP = 20 cm
  • (ii)
    PQ = 17 cm , QR = 9 cm , RP = 7 cm
  • (iii)
    PQ = 5 cm , QR = 6 cm , RP = 13 cm
  • (iv)
    PQ = 10 cm , QR = 11 cm , RP = 14 cm
  • (v)
    PQ = 8 cm , QR = 8 cm , RP = 19 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠E = 58.10° , ∠F = 37.50° , ∠G = 91.90°
  • (ii)
    ∠E = 62.80° , ∠F = 38.70° , ∠G = 109.30°
  • (iii)
    ∠E = 69.50° , ∠F = 34.10° , ∠G = 92.90°
  • (iv)
    ∠E = 50.13° , ∠F = 56.25° , ∠G = 73.62°
  • (v)
    ∠E = 34.70° , ∠F = 60.60° , ∠G = 74.80°
Question 31
31.
In a right angled triangle, if one of the angles is 40.91°, find the third angle
  • (i)
    49.09°
  • (ii)
    59.09°
  • (iii)
    79.09°
  • (iv)
    64.09°
  • (v)
    54.09°
Question 32
32.
In a right angled triangle, if one of the angles is 47.49°, find the third angle
  • (i)
    47.51°
  • (ii)
    57.51°
  • (iii)
    42.51°
  • (iv)
    52.51°
  • (v)
    72.51°
Question 33
33.
Consider the following figure. State which of the following statements are true
a)
    •  


      NO
       
       
    •  


      OM
       
       
b)
    •  


      MN
       
       
    • =
    •  


      NO
       
       
c)
    •  


      OM
       
       
    •  


      MN
       
       
d)
    •  


      OM
       
       
    • =
    •  


      MN
       
       
e)
    •  


      MN
       
       
    •  


      NO
       
       
f)
    •  


      NO
       
       
    • =
    •  


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


      CD
       
       
    •  


      DB
       
       
b)
    •  


      BC
       
       
    •  


      CD
       
       
c)
    •  


      DB
       
       
    • =
    •  


      BC
       
       
d)
    •  


      DB
       
       
    •  


      BC
       
       
e)
    •  


      CD
       
       
    • =
    •  


      DB
       
       
f)
    •  


      BC
       
       
    • =
    •  


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


      AB
       
       
    • =
    •  


      BC
       
       
b)
    •  


      BC
       
       
    •  


      CA
       
       
c)
    •  


      CA
       
       
    • =
    •  


      AB
       
       
d)
    •  


      CA
       
       
    •  


      AB
       
       
e)
    •  


      BC
       
       
    • =
    •  


      CA
       
       
f)
    •  


      AB
       
       
    •  


      BC
       
       
  • (i)
    {c,d}
  • (ii)
    {c,b,d}
  • (iii)
    {b,d,f}
  • (iv)
    {e,a,f}
  • (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)
    • ∠Q
    • =
    • ∠R
d)
    • ∠P
    • ∠Q
e)
    • ∠P
    • =
    • ∠Q
f)
    • ∠R
    • ∠P
  • (i)
    {f,a,e}
  • (ii)
    {d,c}
  • (iii)
    {b,c,e}
  • (iv)
    {a,b}
  • (v)
    {d,b,c}
Question 37
37.
Consider the following figure. State which of the following statements are true
a)
    • ∠E
    • =
    • ∠F
b)
    • ∠E
    • ∠F
c)
    • ∠G
    • ∠E
d)
    • ∠F
    • =
    • ∠G
e)
    • ∠F
    • ∠G
f)
    • ∠G
    • =
    • ∠E
  • (i)
    {a,b}
  • (ii)
    {f,a,d}
  • (iii)
    {e,c}
  • (iv)
    {e,b,c}
  • (v)
    {b,c,d}
Question 38
38.
Consider the following figure. State which of the following statements are true
a)
    • ∠R
    • =
    • ∠P
b)
    • ∠R
    • ∠P
c)
    • ∠Q
    • =
    • ∠R
d)
    • ∠P
    • =
    • ∠Q
e)
    • ∠Q
    • ∠R
f)
    • ∠P
    • ∠Q
  • (i)
    {c,b,e}
  • (ii)
    {d,a,f}
  • (iii)
    {a,b}
  • (iv)
    {c,e}
  • (v)
    {b,e,f}
    Assignment Key

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