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)
    HI = 15 cm , IJ = 10 cm , JH = 14 cm
  • (ii)
    HI = 12 cm , IJ = 14 cm , JH = 12 cm
  • (iii)
    HI = 13 cm , IJ = 13 cm , JH = 13 cm
  • (iv)
    HI = 12 cm , IJ = 12 cm , JH = 16.97 cm
  • (v)
    HI = 11 cm , IJ = 12 cm , JH = 16.28 cm
Question 2
2.
Which of the following are measures of an isosceles triangle ?
  • (i)
    JK = 12 cm , KL = 11 cm , LJ = 12 cm
  • (ii)
    JK = 15 cm , KL = 15 cm , LJ = 15 cm
  • (iii)
    JK = 10 cm , KL = 14 cm , LJ = 17.2 cm
  • (iv)
    JK = 13 cm , KL = 12 cm , LJ = 11 cm
  • (v)
    JK = 12 cm , KL = 15 cm , LJ = 11 cm
Question 3
3.
Which of the following are measures of a scalene triangle ?
  • (i)
    KL = 13 cm , LM = 14 cm , MK = 13 cm
  • (ii)
    KL = 11 cm , LM = 12 cm , MK = 10 cm
  • (iii)
    KL = 10 cm , LM = 11 cm , MK = 10 cm
  • (iv)
    KL = 10 cm , LM = 10 cm , MK = 10 cm
  • (v)
    KL = 15 cm , LM = 15 cm , MK = 21.21 cm
Question 4
4.
Which of the following are measures of a right angled triangle ?
  • (i)
    PQ = 13 cm , QR = 10 cm , RP = 11 cm
  • (ii)
    PQ = 11 cm , QR = 20 cm , RP = 12 cm
  • (iii)
    PQ = 11 cm , QR = 13 cm , RP = 14 cm
  • (iv)
    PQ = 15 cm , QR = 12 cm , RP = 19.21 cm
  • (v)
    PQ = 12 cm , QR = 12 cm , RP = 12 cm
Question 5
5.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    MN = 11 cm , NO = 11 cm , OM = 15.56 cm
  • (ii)
    MN = 15 cm , NO = 10 cm , OM = 14 cm
  • (iii)
    MN = 15 cm , NO = 12 cm , OM = 12 cm
  • (iv)
    MN = 11 cm , NO = 11 cm , OM = 11 cm
  • (v)
    MN = 11 cm , NO = 18 cm , OM = 10 cm
Question 6
6.
Which of the following are measures of an acute angled triangle ?
  • (i)
    IJ = 12 cm , JK = 12 cm , KI = 16.97 cm
  • (ii)
    IJ = 12 cm , JK = 10 cm , KI = 15.62 cm
  • (iii)
    IJ = 12 cm , JK = 12 cm , KI = 13 cm
  • (iv)
    IJ = 14 cm , JK = 20 cm , KI = 13 cm
  • (v)
    IJ = 14 cm , JK = 20 cm , KI = 10 cm
Question 7
7.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    LM = 14 cm , MN = 14 cm , NL = 15 cm
  • (ii)
    LM = 15 cm , MN = 15 cm , NL = 21.21 cm
  • (iii)
    LM = 14 cm , MN = 10 cm , NL = 17.2 cm
  • (iv)
    LM = 11 cm , MN = 13 cm , NL = 12 cm
  • (v)
    LM = 11 cm , MN = 22 cm , NL = 13 cm
Question 8
8.
Which of the following are measures of an equilateral triangle ?
  • (i)
    EF = 12 cm , FG = 10 cm , GE = 15 cm
  • (ii)
    EF = 10 cm , FG = 12 cm , GE = 10 cm
  • (iii)
    EF = 14 cm , FG = 14 cm , GE = 14 cm
  • (iv)
    EF = 15 cm , FG = 15 cm , GE = 21.21 cm
  • (v)
    EF = 15 cm , FG = 13 cm , GE = 19.85 cm
Question 9
9.
Which of the following are measures of an isosceles triangle ?
  • (i)
    NO = 13 cm , OP = 15 cm , PN = 11 cm
  • (ii)
    NO = 13 cm , OP = 11 cm , PN = 13 cm
  • (iii)
    NO = 14 cm , OP = 10 cm , PN = 17.2 cm
  • (iv)
    NO = 15 cm , OP = 15 cm , PN = 15 cm
  • (v)
    NO = 12 cm , OP = 10 cm , PN = 11 cm
Question 10
10.
Which of the following are measures of a scalene triangle ?
  • (i)
    BC = 14 cm , CD = 10 cm , DB = 15 cm
  • (ii)
    BC = 10 cm , CD = 10 cm , DB = 14.14 cm
  • (iii)
    BC = 15 cm , CD = 15 cm , DB = 15 cm
  • (iv)
    BC = 14 cm , CD = 15 cm , DB = 14 cm
Question 11
11.
Which of the following are measures of a right angled triangle ?
  • (i)
    GH = 15 cm , HI = 25 cm , IG = 15 cm
  • (ii)
    GH = 14 cm , HI = 12 cm , IG = 13 cm
  • (iii)
    GH = 10 cm , HI = 13 cm , IG = 16.4 cm
  • (iv)
    GH = 11 cm , HI = 14 cm , IG = 12 cm
  • (v)
    GH = 14 cm , HI = 14 cm , IG = 14 cm
Question 12
12.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    BC = 10 cm , CD = 13 cm , DB = 11 cm
  • (ii)
    BC = 12 cm , CD = 11 cm , DB = 13 cm
  • (iii)
    BC = 12 cm , CD = 12 cm , DB = 12 cm
  • (iv)
    BC = 14 cm , CD = 14 cm , DB = 19.8 cm
  • (v)
    BC = 12 cm , CD = 20 cm , DB = 10 cm
Question 13
13.
Which of the following are measures of an acute angled triangle ?
  • (i)
    EF = 10 cm , FG = 12 cm , GE = 15.62 cm
  • (ii)
    EF = 13 cm , FG = 18 cm , GE = 11 cm
  • (iii)
    EF = 14 cm , FG = 11 cm , GE = 12 cm
  • (iv)
    EF = 10 cm , FG = 20 cm , GE = 15 cm
  • (v)
    EF = 11 cm , FG = 11 cm , GE = 15.56 cm
Question 14
14.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    PQ = 13 cm , QR = 11 cm , RP = 15 cm
  • (ii)
    PQ = 11 cm , QR = 11 cm , RP = 15.56 cm
  • (iii)
    PQ = 15 cm , QR = 10 cm , RP = 18.03 cm
  • (iv)
    PQ = 12 cm , QR = 15 cm , RP = 10 cm
  • (v)
    PQ = 10 cm , QR = 20 cm , RP = 15 cm
Question 15
15.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠F = 45° , ∠G = 90° , ∠H = 45°
  • (ii)
    ∠F = 97.18° , ∠G = 41.41° , ∠H = 41.41°
  • (iii)
    ∠F = 60° , ∠G = 60° , ∠H = 60°
  • (iv)
    ∠F = 51.32° , ∠G = 59.17° , ∠H = 69.51°
  • (v)
    ∠F = 40.91° , ∠G = 90° , ∠H = 49.09°
Question 16
16.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠D = 47.29° , ∠E = 90° , ∠F = 42.71°
  • (ii)
    ∠D = 43.28° , ∠E = 73.69° , ∠F = 63.03°
  • (iii)
    ∠D = 52.62° , ∠E = 67.97° , ∠F = 59.41°
  • (iv)
    ∠D = 50.06° , ∠E = 64.97° , ∠F = 64.97°
  • (v)
    ∠D = 60° , ∠E = 60° , ∠F = 60°
Question 17
17.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠H = 48.37° , ∠I = 76.33° , ∠J = 55.3°
  • (ii)
    ∠H = 60° , ∠I = 60° , ∠J = 60°
  • (iii)
    ∠H = 45° , ∠I = 90° , ∠J = 45°
  • (iv)
    ∠H = 65.16° , ∠I = 57.42° , ∠J = 57.42°
  • (v)
    ∠H = 64.78° , ∠I = 57.61° , ∠J = 57.61°
Question 18
18.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠L = 41.85° , ∠M = 69.07° , ∠N = 69.08°
  • (ii)
    ∠L = 89.81° , ∠M = 33.75° , ∠N = 56.44°
  • (iii)
    ∠L = 37.57° , ∠M = 90° , ∠N = 52.43°
  • (iv)
    ∠L = 72.62° , ∠M = 44.42° , ∠N = 62.96°
  • (v)
    ∠L = 60° , ∠M = 60° , ∠N = 60°
Question 19
19.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠L = 81.28° , ∠M = 46.46° , ∠N = 52.26°
  • (ii)
    ∠L = 46.95° , ∠M = 71.79° , ∠N = 61.26°
  • (iii)
    ∠L = 45° , ∠M = 90° , ∠N = 45°
  • (iv)
    ∠L = 102.21° , ∠M = 44.9° , ∠N = 32.89°
  • (v)
    ∠L = 60° , ∠M = 60° , ∠N = 60°
Question 20
20.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠D = 42.27° , ∠E = 90° , ∠F = 47.73°
  • (ii)
    ∠D = 111.32° , ∠E = 36.04° , ∠F = 32.64°
  • (iii)
    ∠D = 102.05° , ∠E = 37.26° , ∠F = 40.69°
  • (iv)
    ∠D = 45° , ∠E = 90° , ∠F = 45°
  • (v)
    ∠D = 66.87° , ∠E = 46.26° , ∠F = 66.87°
Question 21
21.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠M = 92.87° , ∠N = 38.62° , ∠O = 48.51°
  • (ii)
    ∠M = 33.69° , ∠N = 90° , ∠O = 56.31°
  • (iii)
    ∠M = 59.17° , ∠N = 69.51° , ∠O = 51.32°
  • (iv)
    ∠M = 45° , ∠N = 90° , ∠O = 45°
  • (v)
    ∠M = 45.21° , ∠N = 51.32° , ∠O = 83.47°
Question 22
22.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠N = 40.6° , ∠O = 90° , ∠P = 49.4°
  • (ii)
    ∠N = 45° , ∠O = 90° , ∠P = 45°
  • (iii)
    ∠N = 73.74° , ∠O = 53.13° , ∠P = 53.13°
  • (iv)
    ∠N = 72.62° , ∠O = 62.96° , ∠P = 44.42°
  • (v)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
Question 23
23.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠K = 70.81° , ∠L = 61.28° , ∠M = 47.91°
  • (ii)
    ∠K = 60° , ∠L = 60° , ∠M = 60°
  • (iii)
    ∠K = 97.18° , ∠L = 41.41° , ∠M = 41.41°
  • (iv)
    ∠K = 46.95° , ∠L = 61.26° , ∠M = 71.79°
  • (v)
    ∠K = 42.88° , ∠L = 90° , ∠M = 47.12°
Question 24
24.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠A = 71.38° , ∠B = 54.31° , ∠C = 54.31°
  • (ii)
    ∠A = 83.47° , ∠B = 51.32° , ∠C = 45.21°
  • (iii)
    ∠A = 45° , ∠B = 90° , ∠C = 45°
  • (iv)
    ∠A = 60° , ∠B = 60° , ∠C = 60°
  • (v)
    ∠A = 88.86° , ∠B = 45.57° , ∠C = 45.57°
Question 25
25.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠I = 59.41° , ∠J = 52.62° , ∠K = 67.97°
  • (ii)
    ∠I = 93.9° , ∠J = 43.05° , ∠K = 43.05°
  • (iii)
    ∠I = 60° , ∠J = 60° , ∠K = 60°
  • (iv)
    ∠I = 38.16° , ∠J = 90° , ∠K = 51.84°
Question 26
26.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠I = 128.32° , ∠J = 25.84° , ∠K = 25.84°
  • (ii)
    ∠I = 60° , ∠J = 60° , ∠K = 60°
  • (iii)
    ∠I = 55.83° , ∠J = 74.85° , ∠K = 49.32°
  • (iv)
    ∠I = 45° , ∠J = 90° , ∠K = 45°
  • (v)
    ∠I = 69.07° , ∠J = 69.08° , ∠K = 41.85°
Question 27
27.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠K = 45° , ∠L = 90° , ∠M = 45°
  • (ii)
    ∠K = 53.75° , ∠L = 90° , ∠M = 36.25°
  • (iii)
    ∠K = 92.02° , ∠L = 41.78° , ∠M = 46.2°
  • (iv)
    ∠K = 53.13° , ∠L = 67.38° , ∠M = 59.49°
  • (v)
    ∠K = 92.73° , ∠L = 41.75° , ∠M = 45.52°
Question 28
28.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠K = 116.78° , ∠L = 30.3° , ∠M = 32.92°
  • (ii)
    ∠K = 45° , ∠L = 90° , ∠M = 45°
  • (iii)
    ∠K = 66.87° , ∠L = 46.26° , ∠M = 66.87°
  • (iv)
    ∠K = 50.48° , ∠L = 79.04° , ∠M = 50.48°
  • (v)
    ∠K = 47.49° , ∠L = 90° , ∠M = 42.51°
Question 29
29.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    PQ = 10 cm , QR = 7 cm , RP = 20 cm
  • (ii)
    PQ = 11 cm , QR = 13 cm , RP = 10 cm
  • (iii)
    PQ = 5 cm , QR = 7 cm , RP = 16 cm
  • (iv)
    PQ = 20 cm , QR = 5 cm , RP = 13 cm
  • (v)
    PQ = 5 cm , QR = 17 cm , RP = 5 cm
Question 30
30.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠J = 31.60° , ∠K = 96.20° , ∠L = 33.80°
  • (ii)
    ∠J = 41.85° , ∠K = 69.07° , ∠L = 69.08°
  • (iii)
    ∠J = 93.20° , ∠K = 84.40° , ∠L = 40.90°
  • (iv)
    ∠J = 46.10° , ∠K = 91.40° , ∠L = 105.20°
  • (v)
    ∠J = 77.80° , ∠K = 108.90° , ∠L = 107.40°
Question 31
31.
In a right angled triangle, if one of the angles is 49.4°, find the third angle
  • (i)
    45.6°
  • (ii)
    70.6°
  • (iii)
    40.6°
  • (iv)
    55.6°
  • (v)
    50.6°
Question 32
32.
In a right angled triangle, if one of the angles is 51.34°, find the third angle
  • (i)
    38.66°
  • (ii)
    53.66°
  • (iii)
    48.66°
  • (iv)
    43.66°
  • (v)
    68.66°
Question 33
33.
Consider the following figure. State which of the following statements are true
a)
    •  


      KI
       
       
    • =
    •  


      IJ
       
       
b)
    •  


      IJ
       
       
    • ≠
    •  


      JK
       
       
c)
    •  


      JK
       
       
    • ≠
    •  


      KI
       
       
d)
    •  


      JK
       
       
    • =
    •  


      KI
       
       
e)
    •  


      IJ
       
       
    • =
    •  


      JK
       
       
f)
    •  


      KI
       
       
    • ≠
    •  


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


      CA
       
       
    • ≠
    •  


      AB
       
       
b)
    •  


      CA
       
       
    • =
    •  


      AB
       
       
c)
    •  


      AB
       
       
    • =
    •  


      BC
       
       
d)
    •  


      BC
       
       
    • ≠
    •  


      CA
       
       
e)
    •  


      BC
       
       
    • =
    •  


      CA
       
       
f)
    •  


      AB
       
       
    • ≠
    •  


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


      MN
       
       
    • ≠
    •  


      NO
       
       
b)
    •  


      NO
       
       
    • =
    •  


      OM
       
       
c)
    •  


      OM
       
       
    • =
    •  


      MN
       
       
d)
    •  


      OM
       
       
    • ≠
    •  


      MN
       
       
e)
    •  


      NO
       
       
    • ≠
    •  


      OM
       
       
f)
    •  


      MN
       
       
    • =
    •  


      NO
       
       
  • (i)
    {a,d,e}
  • (ii)
    {b,a}
  • (iii)
    {c,a,d}
  • (iv)
    {c,d}
  • (v)
    {f,b,e}
Question 36
36.
Consider the following figure. State which of the following statements are true
a)
    • ∠N
    • =
    • ∠O
b)
    • ∠M
    • ≠
    • ∠N
c)
    • ∠N
    • ≠
    • ∠O
d)
    • ∠O
    • =
    • ∠M
e)
    • ∠M
    • =
    • ∠N
f)
    • ∠O
    • ≠
    • ∠M
  • (i)
    {c,a,d}
  • (ii)
    {b,a}
  • (iii)
    {f,b,e}
  • (iv)
    {c,d}
  • (v)
    {a,d,e}
Question 37
37.
Consider the following figure. State which of the following statements are true
a)
    • ∠D
    • ≠
    • ∠B
b)
    • ∠D
    • =
    • ∠B
c)
    • ∠C
    • ≠
    • ∠D
d)
    • ∠C
    • =
    • ∠D
e)
    • ∠B
    • =
    • ∠C
f)
    • ∠B
    • ≠
    • ∠C
  • (i)
    {a,d,f}
  • (ii)
    {b,a}
  • (iii)
    {c,d}
  • (iv)
    {c,a,d}
  • (v)
    {e,b,f}
Question 38
38.
Consider the following figure. State which of the following statements are true
a)
    • ∠F
    • =
    • ∠G
b)
    • ∠G
    • =
    • ∠E
c)
    • ∠E
    • ≠
    • ∠F
d)
    • ∠G
    • ≠
    • ∠E
e)
    • ∠F
    • ≠
    • ∠G
f)
    • ∠E
    • =
    • ∠F
  • (i)
    {f,a,e}
  • (ii)
    {a,c}
  • (iii)
    {b,d}
  • (iv)
    {b,c,d}
  • (v)
    {c,d,e}
    Assignment Key

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