EduSahara™ Assignment
Name : Line Concepts
Chapter : Lines and Angles
Grade : CBSE Grade VII
License : Non Commercial Use
Question
1
1.
Which of the following figures represent a line?
(i)
fig 1
(ii)
fig 3
(iii)
fig 2
Question
2
2.
Which of the following figures represent a ray?
(i)
fig 3
(ii)
fig 1
(iii)
fig 2
Question
3
3.
Which of the following figures represent a line segment?
(i)
fig 2
(ii)
fig 1
(iii)
fig 3
Question
4
4.
Points lying on the same line are called
(i)
non-linear points
(ii)
linear points
(iii)
collinear points
(iv)
semi-linear points
(v)
concurrent points
Question
5
5.
Identify the figure below
(i)
nonagon
(ii)
pentagon
(iii)
angle
(iv)
line
(v)
triangle
Question
6
6.
Multiple lines drawn on a plane are called
(i)
concurrent lines
(ii)
parallel lines
(iii)
perpendicular lines
(iv)
intersecting lines
(v)
coplanar lines
Question
7
7.
Multiple lines which do not meet each other are called
(i)
concurrent lines
(ii)
coplanar lines
(iii)
perpendicular lines
(iv)
intersecting lines
(v)
parallel lines
Question
8
8.
Multiple lines which pass through the same point are called
(i)
concurrent lines
(ii)
intersecting lines
(iii)
perpendicular lines
(iv)
coplanar lines
(v)
parallel lines
Question
9
9.
A line that intersects two lines at two different points is called
(i)
concurrent lines
(ii)
perpendicular lines
(iii)
transversal
(iv)
coplanar lines
(v)
parallel lines
Question
10
10.
Two lines meeting at a point and making an angle of 90° at the meeting point are called
(i)
perpendicular lines
(ii)
parallel lines
(iii)
concurrent lines
(iv)
intersecting lines
(v)
coplanar lines
Question
11
11.
The following lines represent
(i)
coplanar lines
(ii)
concurrent lines
(iii)
intersecting lines
(iv)
parallel lines
(v)
perpendicular lines
Question
12
12.
The following lines represent
(i)
intersecting lines
(ii)
concurrent lines
(iii)
coplanar lines
(iv)
parallel lines
(v)
perpendicular lines
Question
13
13.
The following lines represent
(i)
intersecting lines
(ii)
coplanar lines
(iii)
concurrent lines
(iv)
perpendicular lines
(v)
parallel lines
Question
14
14.
Which of the following are true?
a)
A line has an infinite number of points on it
b)
The length of a line segment cannot be determined
c)
Small letters are used to represent lines
d)
A ray has an infinite number of points on it
e)
Capital letters are used to represent points
(i)
{b,d}
(ii)
{a,c,d,e}
(iii)
{b,c}
(iv)
{b,e,a}
(v)
{b,a}
Question
15
15.
Which of the following are true?
a)
If two lines have no common point, then the lines are parallel
b)
If two lines have infinite common points, then the two lines are concurrent
c)
A straight line meets another straight line at atmost one point
d)
If a line cuts another line at more than one point, then one of the line is curved
e)
Only one straight line can be drawn between any two points
(i)
{b,a}
(ii)
{b,d}
(iii)
{b,c}
(iv)
{b,e,a}
(v)
{a,c,d,e}
Question
16
16.
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
c
⟂
d
and
c
⟂
e
, then
d
⟂
e
c)
If
c
∥
d
and
d
∥
e
, then
c
∥
e
d)
If
c
⟂
d
and
d
⟂
e
, then
c
⟂
e
e)
If two lines are parallel to the same line, then they are perpendicular to each other
(i)
{e,b,a}
(ii)
{a,c}
(iii)
{b,a}
(iv)
{d,c}
(v)
{d,c,a}
Question
17
17.
In the given figure, d , e , f , g , h , i are lines in a plane. By looking at the figure, which of the following are true?
a)
g
is the transversal of
d
&
e
b)
d
∥
g
c)
d
is the transversal of
f
&
h
d)
i
is the transversal of
f
&
d
e)
h
is the transversal of
f
&
g
f)
d
∥
e
(i)
{b,f,a}
(ii)
{b,c,e}
(iii)
{a,d,e,f}
(iv)
{c,d}
(v)
{b,a}
Question
18
18.
Which of the following are true with respect to lines d , e , f , g where d ∥ e , e ⟂ f , f ⟂ g?
a)
d
∥
g
b)
d
⟂
g
c)
d
∥
f
d)
e
∥
g
e)
f
∥
g
(i)
{c,d,a}
(ii)
{c,d}
(iii)
{a,d}
(iv)
{b,a}
(v)
{e,b,a}
Question
19
19.
Which of the following points are collinear?
a)
I
,
K
,
J
b)
H
,
K
,
I
c)
G
,
K
,
I
d)
K
,
J
,
I
e)
J
,
K
,
H
(i)
{a,c}
(ii)
{b,e,c}
(iii)
{b,e}
(iv)
{c,e}
(v)
{d,a,c}
Question
20
20.
Consider the following figure
⟷
RY
.
State which of the following statements are true?
a)
R,Y are points on the line segment
JL
b)
R,Y are end points of line segment
RY
c)
R,J,A,Y,L are points on the line
⟷
RY
d)
R,Y are end points of line segment
JL
e)
A,L are end points of line segment
LR
(i)
{b,c}
(ii)
{d,c}
(iii)
{d,c,b}
(iv)
{a,b}
(v)
{e,a,b}
Question
21
21.
The representation
⟷
GH
indicates
(i)
angle
(ii)
arc
(iii)
ray
(iv)
line segment
(v)
line
Question
22
22.
The representation
HI
indicates
(i)
line
(ii)
arc
(iii)
ray
(iv)
angle
(v)
line segment
Question
23
23.
The representation
⟶
JK
indicates
(i)
line segment
(ii)
arc
(iii)
ray
(iv)
line
(v)
angle
Question
24
24.
In the figure below, if
CD
=
12.20 cm
and
DE
=
4.60 cm
,find
CE
= ?
(i)
14.80 cm
(ii)
16.80 cm
(iii)
18.80 cm
(iv)
17.80 cm
(v)
15.80 cm
Assignment Key
1) (ii)
2) (ii)
3) (i)
4) (iii)
5) (iv)
6) (v)
7) (v)
8) (i)
9) (iii)
10) (i)
11) (iv)
12) (v)
13) (i)
14) (ii)
15) (v)
16) (ii)
17) (iii)
18) (iii)
19) (iv)
20) (i)
21) (v)
22) (v)
23) (iii)
24) (ii)