EduSahara™ Assignment
Name : Types of Triangles
Chapter : Understanding Elementary Shapes
Grade : CBSE Grade VI
License : Non Commercial Use
Question 1
1.
Consider the following figure. State which of the following statements are true
a)
    •  


      MK
       
       
    • =
    •  


      KL
       
       
b)
    •  


      LM
       
       
    •  


      MK
       
       
c)
    •  


      KL
       
       
    •  


      LM
       
       
d)
    •  


      KL
       
       
    • =
    •  


      LM
       
       
e)
    •  


      MK
       
       
    •  


      KL
       
       
f)
    •  


      LM
       
       
    • =
    •  


      MK
       
       
  • (i)
    {b,a}
  • (ii)
    {a,d,f}
  • (iii)
    {e,b,f}
  • (iv)
    {c,d}
  • (v)
    {c,a,d}
Question 2
2.
Consider the following figure. State which of the following statements are true
a)
    •  


      AB
       
       
    • =
    •  


      BC
       
       
b)
    •  


      CA
       
       
    •  


      AB
       
       
c)
    •  


      AB
       
       
    •  


      BC
       
       
d)
    •  


      CA
       
       
    • =
    •  


      AB
       
       
e)
    •  


      BC
       
       
    • =
    •  


      CA
       
       
f)
    •  


      BC
       
       
    •  


      CA
       
       
  • (i)
    {e,a,f}
  • (ii)
    {c,d,f}
  • (iii)
    {a,c}
  • (iv)
    {b,c,d}
  • (v)
    {b,d}
Question 3
3.
Consider the following figure. State which of the following statements are true
a)
    •  


      GH
       
       
    • =
    •  


      HI
       
       
b)
    •  


      IG
       
       
    •  


      GH
       
       
c)
    •  


      IG
       
       
    • =
    •  


      GH
       
       
d)
    •  


      HI
       
       
    • =
    •  


      IG
       
       
e)
    •  


      GH
       
       
    •  


      HI
       
       
f)
    •  


      HI
       
       
    •  


      IG
       
       
  • (i)
    {b,e,f}
  • (ii)
    {d,a,f}
  • (iii)
    {a,b}
  • (iv)
    {c,b,e}
  • (v)
    {c,e}
Question 4
4.
Consider the following figure. State which of the following statements are true
a)
    • ∠M
    • ∠N
b)
    • ∠O
    • =
    • ∠M
c)
    • ∠M
    • =
    • ∠N
d)
    • ∠O
    • ∠M
e)
    • ∠N
    • ∠O
f)
    • ∠N
    • =
    • ∠O
  • (i)
    {d,b,c}
  • (ii)
    {d,c}
  • (iii)
    {b,c,f}
  • (iv)
    {a,b}
  • (v)
    {e,a,f}
Question 5
5.
Consider the following figure. State which of the following statements are true
a)
    • ∠F
    • ∠G
b)
    • ∠G
    • ∠E
c)
    • ∠F
    • =
    • ∠G
d)
    • ∠E
    • ∠F
e)
    • ∠G
    • =
    • ∠E
f)
    • ∠E
    • =
    • ∠F
  • (i)
    {a,b}
  • (ii)
    {f,a,d}
  • (iii)
    {b,c,d}
  • (iv)
    {e,b,c}
  • (v)
    {e,c}
Question 6
6.
Consider the following figure. State which of the following statements are true
a)
    • ∠K
    • ∠L
b)
    • ∠L
    • =
    • ∠J
c)
    • ∠J
    • ∠K
d)
    • ∠L
    • ∠J
e)
    • ∠K
    • =
    • ∠L
f)
    • ∠J
    • =
    • ∠K
  • (i)
    {e,a,c}
  • (ii)
    {e,c}
  • (iii)
    {a,c,d}
  • (iv)
    {b,a}
  • (v)
    {f,b,d}
Question 7
7.
Which of the following are measures of an equilateral triangle ?
  • (i)
    LM = 11 cm , MN = 14 cm , NL = 12 cm
  • (ii)
    LM = 12 cm , MN = 15 cm , NL = 12 cm
  • (iii)
    LM = 10 cm , MN = 10 cm , NL = 10 cm
  • (iv)
    LM = 13 cm , MN = 13 cm , NL = 18.38 cm
  • (v)
    LM = 12 cm , MN = 13 cm , NL = 17.69 cm
Question 8
8.
Which of the following are measures of an isosceles triangle ?
  • (i)
    EF = 12 cm , FG = 12 cm , GE = 12 cm
  • (ii)
    EF = 11 cm , FG = 10 cm , GE = 14.87 cm
  • (iii)
    EF = 11 cm , FG = 10 cm , GE = 14 cm
  • (iv)
    EF = 10 cm , FG = 11 cm , GE = 10 cm
  • (v)
    EF = 11 cm , FG = 12 cm , GE = 10 cm
Question 9
9.
Which of the following are measures of a scalene triangle ?
  • (i)
    OP = 12 cm , PQ = 12 cm , QO = 16.97 cm
  • (ii)
    OP = 10 cm , PQ = 11 cm , QO = 10 cm
  • (iii)
    OP = 10 cm , PQ = 15 cm , QO = 10 cm
  • (iv)
    OP = 15 cm , PQ = 15 cm , QO = 15 cm
  • (v)
    OP = 12 cm , PQ = 10 cm , QO = 13 cm
Question 10
10.
Which of the following are measures of a right angled triangle ?
  • (i)
    CD = 12 cm , DE = 13 cm , EC = 15 cm
  • (ii)
    CD = 14 cm , DE = 23 cm , EC = 13 cm
  • (iii)
    CD = 15 cm , DE = 15 cm , EC = 15 cm
  • (iv)
    CD = 12 cm , DE = 15 cm , EC = 14 cm
  • (v)
    CD = 12 cm , DE = 14 cm , EC = 18.44 cm
Question 11
11.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    MN = 10 cm , NO = 10 cm , OM = 14.14 cm
  • (ii)
    MN = 10 cm , NO = 13 cm , OM = 15 cm
  • (iii)
    MN = 11 cm , NO = 13 cm , OM = 12 cm
  • (iv)
    MN = 11 cm , NO = 11 cm , OM = 11 cm
  • (v)
    MN = 14 cm , NO = 23 cm , OM = 14 cm
Question 12
12.
Which of the following are measures of an acute angled triangle ?
  • (i)
    OP = 11 cm , PQ = 11 cm , QO = 15.56 cm
  • (ii)
    OP = 11 cm , PQ = 18 cm , QO = 14 cm
  • (iii)
    OP = 10 cm , PQ = 13 cm , QO = 16.4 cm
  • (iv)
    OP = 11 cm , PQ = 18 cm , QO = 10 cm
  • (v)
    OP = 12 cm , PQ = 10 cm , QO = 12 cm
Question 13
13.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    DE = 13 cm , EF = 22 cm , FD = 13 cm
  • (ii)
    DE = 12 cm , EF = 14 cm , FD = 18.44 cm
  • (iii)
    DE = 15 cm , EF = 14 cm , FD = 13 cm
  • (iv)
    DE = 14 cm , EF = 14 cm , FD = 19.8 cm
  • (v)
    DE = 10 cm , EF = 15 cm , FD = 13 cm
Question 14
14.
Which of the following are measures of an equilateral triangle ?
  • (i)
    EF = 12 cm , FG = 12 cm , GE = 12 cm
  • (ii)
    EF = 12 cm , FG = 11 cm , GE = 16.28 cm
  • (iii)
    EF = 11 cm , FG = 14 cm , GE = 11 cm
  • (iv)
    EF = 12 cm , FG = 12 cm , GE = 16.97 cm
  • (v)
    EF = 12 cm , FG = 14 cm , GE = 11 cm
Question 15
15.
Which of the following are measures of an isosceles triangle ?
  • (i)
    OP = 11 cm , PQ = 13 cm , QO = 11 cm
  • (ii)
    OP = 13 cm , PQ = 15 cm , QO = 14 cm
  • (iii)
    OP = 15 cm , PQ = 15 cm , QO = 15 cm
  • (iv)
    OP = 14 cm , PQ = 15 cm , QO = 13 cm
  • (v)
    OP = 11 cm , PQ = 14 cm , QO = 17.8 cm
Question 16
16.
Which of the following are measures of a scalene triangle ?
  • (i)
    HI = 13 cm , IJ = 11 cm , JH = 13 cm
  • (ii)
    HI = 14 cm , IJ = 13 cm , JH = 10 cm
  • (iii)
    HI = 13 cm , IJ = 14 cm , JH = 13 cm
  • (iv)
    HI = 13 cm , IJ = 13 cm , JH = 18.38 cm
  • (v)
    HI = 15 cm , IJ = 15 cm , JH = 15 cm
Question 17
17.
Which of the following are measures of a right angled triangle ?
  • (i)
    GH = 10 cm , HI = 15 cm , IG = 18.03 cm
  • (ii)
    GH = 15 cm , HI = 15 cm , IG = 15 cm
  • (iii)
    GH = 12 cm , HI = 14 cm , IG = 13 cm
  • (iv)
    GH = 15 cm , HI = 26 cm , IG = 14 cm
  • (v)
    GH = 15 cm , HI = 12 cm , IG = 12 cm
Question 18
18.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    LM = 12 cm , MN = 10 cm , NL = 13 cm
  • (ii)
    LM = 15 cm , MN = 14 cm , NL = 11 cm
  • (iii)
    LM = 11 cm , MN = 21 cm , NL = 12 cm
  • (iv)
    LM = 13 cm , MN = 13 cm , NL = 13 cm
  • (v)
    LM = 15 cm , MN = 15 cm , NL = 21.21 cm
Question 19
19.
Which of the following are measures of an acute angled triangle ?
  • (i)
    HI = 13 cm , IJ = 18 cm , JH = 11 cm
  • (ii)
    HI = 13 cm , IJ = 13 cm , JH = 18.38 cm
  • (iii)
    HI = 15 cm , IJ = 20 cm , JH = 12 cm
  • (iv)
    HI = 11 cm , IJ = 12 cm , JH = 16.28 cm
  • (v)
    HI = 12 cm , IJ = 13 cm , JH = 12 cm
Question 20
20.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    LM = 12 cm , MN = 12 cm , NL = 11 cm
  • (ii)
    LM = 12 cm , MN = 20 cm , NL = 11 cm
  • (iii)
    LM = 14 cm , MN = 12 cm , NL = 10 cm
  • (iv)
    LM = 14 cm , MN = 14 cm , NL = 19.8 cm
  • (v)
    LM = 15 cm , MN = 14 cm , NL = 20.52 cm
Question 21
21.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠P = 65.16° , ∠Q = 57.42° , ∠R = 57.42°
  • (ii)
    ∠P = 49.4° , ∠Q = 90° , ∠R = 40.6°
  • (iii)
    ∠P = 60° , ∠Q = 60° , ∠R = 60°
  • (iv)
    ∠P = 45° , ∠Q = 90° , ∠R = 45°
  • (v)
    ∠P = 41.8° , ∠Q = 47.16° , ∠R = 91.04°
Question 22
22.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠O = 60° , ∠P = 60° , ∠Q = 60°
  • (ii)
    ∠O = 59.17° , ∠P = 51.32° , ∠Q = 69.51°
  • (iii)
    ∠O = 44.42° , ∠P = 78.46° , ∠Q = 57.12°
  • (iv)
    ∠O = 49.76° , ∠P = 90° , ∠Q = 40.24°
  • (v)
    ∠O = 47.16° , ∠P = 66.42° , ∠Q = 66.42°
Question 23
23.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠C = 65.16° , ∠D = 57.42° , ∠E = 57.42°
  • (ii)
    ∠C = 60° , ∠D = 60° , ∠E = 60°
  • (iii)
    ∠C = 97.18° , ∠D = 41.41° , ∠E = 41.41°
  • (iv)
    ∠C = 45° , ∠D = 90° , ∠E = 45°
  • (v)
    ∠C = 76.87° , ∠D = 45.57° , ∠E = 57.56°
Question 24
24.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠G = 60° , ∠H = 60° , ∠I = 60°
  • (ii)
    ∠G = 50.75° , ∠H = 64.63° , ∠I = 64.62°
  • (iii)
    ∠G = 44.42° , ∠H = 57.12° , ∠I = 78.46°
  • (iv)
    ∠G = 109.08° , ∠H = 36.97° , ∠I = 33.95°
  • (v)
    ∠G = 49.09° , ∠H = 90° , ∠I = 40.91°
Question 25
25.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠H = 45° , ∠I = 90° , ∠J = 45°
  • (ii)
    ∠H = 73.69° , ∠I = 63.03° , ∠J = 43.28°
  • (iii)
    ∠H = 116.39° , ∠I = 27.86° , ∠J = 35.75°
  • (iv)
    ∠H = 57.42° , ∠I = 65.16° , ∠J = 57.42°
  • (v)
    ∠H = 60° , ∠I = 60° , ∠J = 60°
Question 26
26.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠D = 61.26° , ∠E = 46.95° , ∠F = 71.79°
  • (ii)
    ∠D = 98.21° , ∠E = 46.83° , ∠F = 34.96°
  • (iii)
    ∠D = 36.25° , ∠E = 90° , ∠F = 53.75°
  • (iv)
    ∠D = 119.17° , ∠E = 27.36° , ∠F = 33.47°
  • (v)
    ∠D = 45° , ∠E = 90° , ∠F = 45°
Question 27
27.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠E = 111.8° , ∠F = 27.66° , ∠G = 40.54°
  • (ii)
    ∠E = 49.09° , ∠F = 90° , ∠G = 40.91°
  • (iii)
    ∠E = 60° , ∠F = 60° , ∠G = 60°
  • (iv)
    ∠E = 63.03° , ∠F = 43.28° , ∠G = 73.69°
  • (v)
    ∠E = 45° , ∠F = 90° , ∠G = 45°
Question 28
28.
Which of the following are measures of an equilateral triangle ?
  • (i)
    ∠G = 38.94° , ∠H = 70.53° , ∠I = 70.53°
  • (ii)
    ∠G = 60° , ∠H = 60° , ∠I = 60°
  • (iii)
    ∠G = 49.09° , ∠H = 90° , ∠I = 40.91°
  • (iv)
    ∠G = 45° , ∠H = 90° , ∠I = 45°
  • (v)
    ∠G = 61.26° , ∠H = 71.79° , ∠I = 46.95°
Question 29
29.
Which of the following are measures of an isosceles triangle ?
  • (i)
    ∠J = 43.28° , ∠K = 73.69° , ∠L = 63.03°
  • (ii)
    ∠J = 73.74° , ∠K = 53.13° , ∠L = 53.13°
  • (iii)
    ∠J = 60° , ∠K = 60° , ∠L = 60°
  • (iv)
    ∠J = 61.28° , ∠K = 47.91° , ∠L = 70.81°
  • (v)
    ∠J = 51.84° , ∠K = 90° , ∠L = 38.16°
Question 30
30.
Which of the following are measures of a scalene triangle ?
  • (i)
    ∠M = 70.46° , ∠N = 54.77° , ∠O = 54.77°
  • (ii)
    ∠M = 45° , ∠N = 90° , ∠O = 45°
  • (iii)
    ∠M = 60° , ∠N = 60° , ∠O = 60°
  • (iv)
    ∠M = 58.67° , ∠N = 41.08° , ∠O = 80.25°
  • (v)
    ∠M = 81.08° , ∠N = 49.46° , ∠O = 49.46°
Question 31
31.
Which of the following are measures of a right angled triangle ?
  • (i)
    ∠N = 61.26° , ∠O = 71.79° , ∠P = 46.95°
  • (ii)
    ∠N = 49.4° , ∠O = 90° , ∠P = 40.6°
  • (iii)
    ∠N = 119.17° , ∠O = 27.36° , ∠P = 33.47°
  • (iv)
    ∠N = 60° , ∠O = 60° , ∠P = 60°
  • (v)
    ∠N = 51.32° , ∠O = 69.51° , ∠P = 59.17°
Question 32
32.
Which of the following are measures of an isosceles right angled triangle ?
  • (i)
    ∠G = 45° , ∠H = 90° , ∠I = 45°
  • (ii)
    ∠G = 60° , ∠H = 60° , ∠I = 60°
  • (iii)
    ∠G = 55.3° , ∠H = 76.33° , ∠I = 48.37°
  • (iv)
    ∠G = 95.22° , ∠H = 40.12° , ∠I = 44.66°
  • (v)
    ∠G = 81.28° , ∠H = 52.26° , ∠I = 46.46°
Question 33
33.
Which of the following are measures of an acute angled triangle ?
  • (i)
    ∠M = 45° , ∠N = 90° , ∠O = 45°
  • (ii)
    ∠M = 112.75° , ∠N = 26.05° , ∠O = 41.2°
  • (iii)
    ∠M = 61.28° , ∠N = 70.81° , ∠O = 47.91°
  • (iv)
    ∠M = 56.31° , ∠N = 90° , ∠O = 33.69°
  • (v)
    ∠M = 92.61° , ∠N = 52.06° , ∠O = 35.33°
Question 34
34.
Which of the following are measures of an obtuse angled triangle ?
  • (i)
    ∠C = 45° , ∠D = 90° , ∠E = 45°
  • (ii)
    ∠C = 93.58° , ∠D = 39.08° , ∠E = 47.34°
  • (iii)
    ∠C = 69.07° , ∠D = 69.08° , ∠E = 41.85°
  • (iv)
    ∠C = 51.34° , ∠D = 90° , ∠E = 38.66°
  • (v)
    ∠C = 73.69° , ∠D = 63.03° , ∠E = 43.28°
Question 35
35.
Find the measures of the three sides suitable to form a triangle?
  • (i)
    BC = 10 cm , CD = 10 cm , DB = 10 cm
  • (ii)
    BC = 8 cm , CD = 5 cm , DB = 15 cm
  • (iii)
    BC = 7 cm , CD = 7 cm , DB = 16 cm
  • (iv)
    BC = 6 cm , CD = 19 cm , DB = 7 cm
  • (v)
    BC = 6 cm , CD = 19 cm , DB = 9 cm
Question 36
36.
Find the measures of the three angles suitable to form a triangle?
  • (i)
    ∠O = 54.97° , ∠P = 62.52° , ∠Q = 62.51°
  • (ii)
    ∠O = 66.30° , ∠P = 72.80° , ∠Q = 86.30°
  • (iii)
    ∠O = 90.80° , ∠P = 74.60° , ∠Q = 34.60°
  • (iv)
    ∠O = 49.60° , ∠P = 59.60° , ∠Q = 108.20°
  • (v)
    ∠O = 111.10° , ∠P = 93.70° , ∠Q = 35.50°
    Assignment Key

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