EduSahara™ Assignment
Name : Line Concepts
Chapter : Lines and Angles
Grade : SSC Grade IX
License : Non Commercial Use
Question 1
1.
Which of the following figures represent a line?
  • (i)
    fig 2
  • (ii)
    fig 1
  • (iii)
    fig 3
Question 2
2.
Which of the following figures represent a ray?
  • (i)
    fig 2
  • (ii)
    fig 1
  • (iii)
    fig 3
Question 3
3.
Which of the following figures represent a line segment?
  • (i)
    fig 3
  • (ii)
    fig 2
  • (iii)
    fig 1
Question 4
4.
    • Points lying on the same line are called
  • (i)
    concurrent points
  • (ii)
    semi-linear points
  • (iii)
    collinear points
  • (iv)
    linear points
  • (v)
    non-linear points
Question 5
5.
    • Every simple closed curve divides a plane into how many sets of points?
  • (i)
    3
  • (ii)
    4
  • (iii)
    6
  • (iv)
    0
  • (v)
    2
Question 6
6.
Identify the figure below
  • (i)
    heptagon
  • (ii)
    octagon
  • (iii)
    line
  • (iv)
    quadrilateral
  • (v)
    nonagon
Question 7
7.
Multiple lines drawn on a plane are called
  • (i)
    perpendicular lines
  • (ii)
    coplanar lines
  • (iii)
    concurrent lines
  • (iv)
    intersecting lines
  • (v)
    parallel lines
Question 8
8.
Multiple lines which do not meet each other are called
  • (i)
    coplanar lines
  • (ii)
    concurrent lines
  • (iii)
    parallel lines
  • (iv)
    perpendicular lines
  • (v)
    intersecting lines
Question 9
9.
Multiple lines which pass through the same point are called
  • (i)
    parallel lines
  • (ii)
    perpendicular lines
  • (iii)
    coplanar lines
  • (iv)
    intersecting lines
  • (v)
    concurrent lines
Question 10
10.
A line that intersects two lines at two different points is called
  • (i)
    coplanar lines
  • (ii)
    concurrent lines
  • (iii)
    perpendicular lines
  • (iv)
    parallel lines
  • (v)
    transversal
Question 11
11.
Two lines meeting at a point and making an angle of 90° at the meeting point are called
  • (i)
    parallel lines
  • (ii)
    coplanar lines
  • (iii)
    concurrent lines
  • (iv)
    intersecting lines
  • (v)
    perpendicular lines
Question 12
12.
The following lines represent
  • (i)
    coplanar lines
  • (ii)
    concurrent lines
  • (iii)
    intersecting lines
  • (iv)
    perpendicular lines
  • (v)
    parallel lines
Question 13
13.
The following lines represent
  • (i)
    coplanar lines
  • (ii)
    concurrent lines
  • (iii)
    parallel lines
  • (iv)
    perpendicular lines
  • (v)
    intersecting lines
Question 14
14.
The following lines represent
  • (i)
    intersecting lines
  • (ii)
    parallel lines
  • (iii)
    perpendicular lines
  • (iv)
    concurrent lines
  • (v)
    coplanar lines
Question 15
15.
    • The representation
    • BC
    • indicates
  • (i)
    line
  • (ii)
    line segment
  • (iii)
    angle
  • (iv)
    arc
  • (v)
    ray
Question 16
16.
    • The representation
    •  


      BC
       
       
    • indicates
  • (i)
    arc
  • (ii)
    ray
  • (iii)
    line
  • (iv)
    line segment
  • (v)
    angle
Question 17
17.
    • The representation
    • GH
    • indicates
  • (i)
    line segment
  • (ii)
    angle
  • (iii)
    ray
  • (iv)
    arc
  • (v)
    line
Question 18
18.
Which of the following are true?
a)
A line has an infinite number of points on it
b)
Capital letters are used to represent points
c)
A ray has an infinite number of points on it
d)
The length of a line segment cannot be determined
e)
Small letters are used to represent lines
  • (i)
    {a,b,c,e}
  • (ii)
    {d,b}
  • (iii)
    {d,e,a}
  • (iv)
    {d,c}
  • (v)
    {d,a}
Question 19
19.
Which of the following are true?
a)
A straight line meets another straight line at atmost one point
b)
If a line cuts another line at more than one point, then one of the line is curved
c)
If two lines have no common point, then the lines are parallel
d)
If two lines have infinite common points, then the two lines are concurrent
e)
Only one straight line can be drawn between any two points
  • (i)
    {d,a}
  • (ii)
    {a,b,c,e}
  • (iii)
    {d,c}
  • (iv)
    {d,b}
  • (v)
    {d,e,a}
Question 20
20.
Which of the following are true?
a)
If two lines are parallel to the same line, then they are parallel to each other
b)
    • If
    •  
    • q
    • r
    •  
    • and
    •  
    • r
    • s
    •  
    • , then
    •  
    • q
    • s
c)
    • If
    •  
    • q
    • r
    •  
    • and
    •  
    • q
    • s
    •  
    • , then
    •  
    • r
    • s
d)
If two lines are parallel to the same line, then they are perpendicular to each other
e)
    • If
    •  
    • q
    • r
    •  
    • and
    •  
    • r
    • s
    •  
    • , then
    •  
    • q
    • s
  • (i)
    {e,c,a}
  • (ii)
    {c,a}
  • (iii)
    {a,b}
  • (iv)
    {d,b}
  • (v)
    {d,b,a}
Question 21
21.
In the given figure, t , u , v , w , x , y  are lines in a plane. By looking at the figure, which of the following are true?
a)
    • t
    • u
b)
    • x
    • is the transversal of
    • v
    • &
    • w
c)
    • t
    • is the transversal of
    • v
    • &
    • x
d)
    • w
    • is the transversal of
    • t
    • &
    • u
e)
    • t
    • w
f)
    • y
    • is the transversal of
    • v
    • &
    • t
  • (i)
    {a,b,d,f}
  • (ii)
    {c,a}
  • (iii)
    {c,e,d}
  • (iv)
    {e,b}
  • (v)
    {c,f,a}
Question 22
22.
Which of the following are true with respect to lines  r , s , t , u  where  r ∥ s , s ⟂ t , t ⟂ u?
a)
    • s
    • u
b)
    • r
    • u
c)
    • t
    • u
d)
    • r
    • u
e)
    • r
    • t
  • (i)
    {c,d,a}
  • (ii)
    {a,d}
  • (iii)
    {b,a}
  • (iv)
    {e,b,a}
  • (v)
    {c,d}
Question 23
23.
Which of the following points are collinear?
a)
    • E
    • ,
    • H
    • ,
    • F
b)
    • H
    • ,
    • G
    • ,
    • F
c)
    • F
    • ,
    • H
    • ,
    • G
d)
    • G
    • ,
    • H
    • ,
    • E
e)
    • D
    • ,
    • H
    • ,
    • F
  • (i)
    {b,e,d}
  • (ii)
    {a,d}
  • (iii)
    {d,e}
  • (iv)
    {b,e}
  • (v)
    {c,a,d}
Question 24
24.
Which of the given figures is correct?
  • (i)
    I
  • (ii)
    II
  • (iii)
    III
  • (iv)
    IV
Question 25
25.
    • Consider the following figure
    • XR
    • .
    • State which of the following statements are true?
a)
X,Y,T,R,Z are points on the line
XR
b)
X,R are end points of line segment
 


YZ
 
 
c)
X,R are points on the line segment
 


YZ
 
 
d)
T,Z are end points of line segment
 


ZX
 
 
e)
X,R are end points of line segment
 


XR
 
 
  • (i)
    {b,a}
  • (ii)
    {d,b,a}
  • (iii)
    {a,e}
  • (iv)
    {c,e}
  • (v)
    {c,e,a}
Question 26
26.
    • In the figure below, if
    • FG
    • =
    • 6.30 cm
    • and
    • GH
    • =
    • 11.30 cm
    • ,find
    • FH
    • = ?
  • (i)
    16.60 cm
  • (ii)
    18.60 cm
  • (iii)
    17.60 cm
  • (iv)
    19.60 cm
  • (v)
    15.60 cm
    Assignment Key

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