EduSahara™ Assignment
Name : Triangle Concepts
Chapter : Triangles and Its Properties
Grade : SSC Grade VII
License : Non Commercial Use
Question 1
1.
Identify the figure below
  • (i)
    pentagon
  • (ii)
    hexagon
  • (iii)
    triangle
  • (iv)
    angle
  • (v)
    heptagon
Question 2
2.
    • The side opposite to the vertex
    • D
  • (i)
     


    FD
     
     
  • (ii)
     


    EF
     
     
  • (iii)
     


    DH
     
     
  • (iv)
     


    GE
     
     
  • (v)
     


    DE
     
     
Question 3
3.
    • The side opposite to the vertex
    • B
  • (i)
     


    AB
     
     
  • (ii)
     


    AE
     
     
  • (iii)
     


    DB
     
     
  • (iv)
     


    CA
     
     
  • (v)
     


    BC
     
     
Question 4
4.
    • The side opposite to the vertex
    • Q
  • (i)
     


    QO
     
     
  • (ii)
     


    PQ
     
     
  • (iii)
     


    OS
     
     
  • (iv)
     


    OP
     
     
  • (v)
     


    RP
     
     
Question 5
5.
    • The vertex opposite to the side
    •  


      EF
       
       
  • (i)
    E
  • (ii)
    D
  • (iii)
     


    FG
     
     
  • (iv)
    H
Question 6
6.
    • The vertex opposite to the side
    •  


      JH
       
       
  • (i)
    H
  • (ii)
    I
  • (iii)
    L
  • (iv)
     


    JK
     
     
Question 7
7.
    • The vertex opposite to the side
    •  


      RS
       
       
  • (i)
     


    TU
     
     
  • (ii)
    T
  • (iii)
    S
  • (iv)
    R
Question 8
8.
    • The altitude corresponding to the side
    •  


      DE
       
       
  • (i)
     


    DG
     
     
  • (ii)
     


    CF
     
     
  • (iii)
     


    CG
     
     
  • (iv)
     


    EH
     
     
  • (v)
     


    CD
     
     
Question 9
9.
    • The altitude corresponding to the side
    •  


      GE
       
       
  • (i)
     


    EF
     
     
  • (ii)
     


    FI
     
     
  • (iii)
     


    GJ
     
     
  • (iv)
     


    EH
     
     
  • (v)
     


    EI
     
     
Question 10
10.
    • The altitude corresponding to the side
    •  


      EF
       
       
  • (i)
     


    EF
     
     
  • (ii)
     


    GJ
     
     
  • (iii)
     


    EI
     
     
  • (iv)
     


    FI
     
     
  • (v)
     


    EH
     
     
Question 11
11.
    • The median corresponding to the side
    •  


      FG
       
       
  • (i)
     


    EH
     
     
  • (ii)
     


    GJ
     
     
  • (iii)
     


    FI
     
     
  • (iv)
     


    EI
     
     
  • (v)
     


    EF
     
     
Question 12
12.
    • The median corresponding to the side
    •  


      HF
       
       
  • (i)
     


    FG
     
     
  • (ii)
     


    HK
     
     
  • (iii)
     


    FI
     
     
  • (iv)
     


    FJ
     
     
  • (v)
     


    GJ
     
     
Question 13
13.
    • The median corresponding to the side
    •  


      DE
       
       
  • (i)
     


    DH
     
     
  • (ii)
     


    EH
     
     
  • (iii)
     


    DE
     
     
  • (iv)
     


    FI
     
     
  • (v)
     


    DG
     
     
Question 14
14.
    • The sides of the triangle are
  • (i)
     


    LM
     
     
    ,
     


    MK
     
     
    ,
     


    KL
     
     
  • (ii)
     


    MN
     
     
    ,
     


    NL
     
     
    ,
     


    LM
     
     
  • (iii)
     


    KL
     
     
    ,
     


    LJ
     
     
    ,
     


    JK
     
     
  • (iv)
     


    KM
     
     
    ,
     


    MJ
     
     
    ,
     


    JK
     
     
  • (v)
     


    LN
     
     
    ,
     


    NK
     
     
    ,
     


    KL
     
     
Question 15
15.
    • The name of the triangle is
  • (i)
    △KLM
  • (ii)
    △LMN
  • (iii)
    △LMO
  • (iv)
    △MNO
  • (v)
    △KLN
Question 16
16.
    • The angles of the triangle are
  • (i)
    ∠C , ∠D , ∠F
  • (ii)
    ∠B , ∠C , ∠E
  • (iii)
    ∠B , ∠C , ∠D
  • (iv)
    ∠C , ∠D , ∠E
  • (v)
    ∠D , ∠E , ∠F
Question 17
17.
    • The vertices of the triangle are
  • (i)
    K , L , N
  • (ii)
    K , L , M
  • (iii)
    L , M , N
  • (iv)
    M , N , O
  • (v)
    L , M , O
Question 18
18.
    • The exterior angles of the triangle are
  • (i)
    ∠HIF , ∠IFG , ∠JGI
  • (ii)
    ∠IHF , ∠JFG , ∠KGH
  • (iii)
    ∠JIG , ∠KGH , ∠LHI
  • (iv)
    ∠KJH , ∠LHI , ∠MIJ
  • (v)
    ∠IJG , ∠JGH , ∠KHJ
Question 19
19.
    • The point of intersection of the altitudes of a triangle is called
  • (i)
    incentre
  • (ii)
    centroid
  • (iii)
    orthocentre
  • (iv)
    circumcentre
  • (v)
    excentre
Question 20
20.
    • The point of intersection of the perpendicular bisectors of the sides of a triangle is called
  • (i)
    excentre
  • (ii)
    median
  • (iii)
    orthocentre
  • (iv)
    incentre
  • (v)
    circumcentre
Question 21
21.
    • The point of intersection of the bisectors of the interior angles of a triangle is called
  • (i)
    incentre
  • (ii)
    orthocentre
  • (iii)
    centroid
  • (iv)
    excentre
  • (v)
    altitude
Question 22
22.
    • The point of intersection of the bisectors of the interior angle and the two exterior opposite angles of a triangle is called
  • (i)
    incentre
  • (ii)
    excentre
  • (iii)
    circumcentre
  • (iv)
    centroid
  • (v)
    altitude
Question 23
23.
    • The point of intersection of the medians of a triangle is called
  • (i)
    circumcentre
  • (ii)
    incentre
  • (iii)
    excentre
  • (iv)
    orthocentre
  • (v)
    centroid
Question 24
24.
    • The line joining each vertex to the mid-point of the opposite side of a triangle is called
  • (i)
    orthocentre
  • (ii)
    excentre
  • (iii)
    incentre
  • (iv)
    median
  • (v)
    altitude
Question 25
25.
    • The perpendicular drawn from each vertex to the opposite side of a triangle is called
  • (i)
    orthocentre
  • (ii)
    excentre
  • (iii)
    circumcentre
  • (iv)
    altitude
  • (v)
    incentre
Question 26
26.
Which of the following may lie outside or on the triangle?
a)
centroid
b)
incentre
c)
circumcentre
d)
orthocentre
e)
excentre
  • (i)
    {b,d}
  • (ii)
    {c,d,e}
  • (iii)
    {a,c}
  • (iv)
    {a,b,e}
  • (v)
    {a,c,d}
Question 27
27.
Sum of the interior angles in a triangle is
  • (i)
    190°
  • (ii)
    210°
  • (iii)
    195°
  • (iv)
    180°
  • (v)
    185°
Question 28
28.
How many diagonals does a triangle have?
  • (i)
    4
  • (ii)
    1
  • (iii)
    2
  • (iv)
    3
  • (v)
    0
    Assignment Key

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