EduSahara™ Assignment
Name : Circle Basics
Chapter : Circles
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
The mid-point of the diameter of a circle is called
(i)
centre
(ii)
chord
(iii)
diameter
(iv)
circumference
(v)
radius
Question
2
2.
A line segment joining any point on the circle with its centre is called
(i)
chord
(ii)
semi-circle
(iii)
radius
(iv)
segment
(v)
major segment
Question
3
3.
A line segment having its end points on the circle is called a
(i)
chord
(ii)
circumference
(iii)
diameter
(iv)
radius
(v)
segment
Question
4
4.
A chord that passes through the centre of the circle is called
(i)
semi-circle
(ii)
major segment
(iii)
diameter
(iv)
circumference
(v)
centre
Question
5
5.
A chord of a circle divides the whole circular region into two parts, each called a
(i)
segment
(ii)
semi-circle
(iii)
diameter
(iv)
chord
(v)
radius
Question
6
6.
The segment of the circle containing the centre of the circle is called
(i)
semi-circle
(ii)
segment
(iii)
major segment
(iv)
chord
(v)
circumference
Question
7
7.
Half of a circle is called
(i)
radius
(ii)
semi-circle
(iii)
major segment
(iv)
diameter
(v)
centre
Question
8
8.
The perimeter of a circle is called
(i)
radius
(ii)
major segment
(iii)
diameter
(iv)
circumference
(v)
segment
Question
9
9.
Which of the following statements are true?
a)
Every circle has a unique diameter.
b)
A circle consists of an infinite number of points.
c)
A line can meet a circle atmost at two points.
d)
Every circle has a unique centre.
e)
Each radius of a circle is also a chord of the circle.
(i)
{e,c}
(ii)
{a,b}
(iii)
{b,c,d}
(iv)
{a,e,d}
(v)
{a,b,c}
Question
10
10.
Which of the following statements are true?
a)
An infinite number of diameters may be drawn for a circle.
b)
One and only one tangent can be drawn to a circle from a point outside it.
c)
Two semi-circles of a circle together make the whole circle.
d)
An infinite number of chords may be drawn for a circle.
e)
Every circle has a unique diameter.
(i)
{a,c,d}
(ii)
{b,e,d}
(iii)
{b,a,c}
(iv)
{b,a}
(v)
{e,c}
Question
11
11.
Which of the following statements are true?
a)
One and only one tangent can be drawn to a circle from a point outside it.
b)
Diameter of a circle is a part of the semi-circle of the circle.
c)
Every circle has a unique diameter.
d)
One and only one tangent can be drawn to pass through a point on a circle.
e)
A secant of a circle is a segment having its end points on the circle.
(i)
{a,b}
(ii)
{c,d,b}
(iii)
{b,d}
(iv)
{e,a,b}
(v)
{c,d}
Question
12
12.
If the radius of a circle is 70 cm, what is its diameter?
(i)
140 cm
(ii)
138 cm
(iii)
141 cm
(iv)
142 cm
(v)
139 cm
Question
13
13.
Two circles with equal radii are
(i)
not similar
(ii)
concentric
(iii)
congruent
(iv)
only similar but not congruent
Question
14
14.
The angle between a tangent to a circle and the radius drawn at the point of contact is
(i)
95°
(ii)
100°
(iii)
120°
(iv)
90°
(v)
105°
Question
15
15.
Identify the figure below
(i)
nonagon
(ii)
circle
(iii)
heptagon
(iv)
pentagon
(v)
hexagon
Question
16
16.
The centre of the circle is
(i)
D
(ii)
B
(iii)
C
(iv)
E
(v)
H
Question
17
17.
The chords of the circle are
(i)
GH
,
HI
,
IJ
,
JK
,
KG
,
LH
(ii)
LG
,
LH
,
LI
,
LJ
,
LK
(iii)
GH
,
HI
,
IJ
,
JK
,
KG
(iv)
GH
,
HI
,
IJ
,
JK
,
KG
,
IK
(v)
HI
,
IJ
,
JK
,
KG
Question
18
18.
The diameters of the circle are
(i)
JK
,
KL
,
LM
,
MN
,
NJ
,
LN
(ii)
OJ
,
OK
,
OL
,
OM
,
ON
(iii)
JK
,
KL
,
LM
,
MN
,
NJ
(iv)
OJ
,
OK
,
OL
,
OM
,
ON
,
LN
(v)
LN
Question
19
19.
The radii of the circle are
(i)
CD
,
DE
,
EF
,
FG
,
GC
,
EG
(ii)
HC
,
HD
,
HE
,
HF
,
HG
(iii)
CD
,
DE
,
EF
,
FG
,
GC
,
HD
(iv)
DE
,
EF
,
FG
,
GC
(v)
CD
,
DE
,
EF
,
FG
,
GC
Question
20
20.
The minor sector of the circle is
(i)
HCEDH
(ii)
CEDGC
(iii)
HCFDH
(iv)
CFD
(v)
CFDGC
Question
21
21.
The major sector of the circle is
(i)
GBDCG
(ii)
BEC
(iii)
BDC
(iv)
GBECG
(v)
BDCFB
Question
22
22.
The minor arc of the circle is
(i)
CFD
(ii)
HCFDH
(iii)
HCEDH
(iv)
CED
(v)
CFDGC
Question
23
23.
The major arc of the circle is
(i)
DFE
(ii)
DFEHD
(iii)
DGE
(iv)
DGEHD
(v)
IDGEI
Question
24
24.
The minor segment of the circle is
(i)
JMKNJ
(ii)
OJMKO
(iii)
JLK
(iv)
JLKNJ
(v)
OJLKO
Question
25
25.
The major segment of the circle is
(i)
CFDGC
(ii)
CED
(iii)
CFD
(iv)
CEDGC
(v)
HCFDH
Question
26
26.
The distance around the circle is called
(i)
arc
(ii)
circumference
(iii)
chord
(iv)
radius
(v)
diameter
Question
27
27.
Find the points belonging to the circle
(i)
{S,Q,N}
(ii)
{U,Q,N}
(iii)
{O,R,U}
(iv)
{N,Q,T}
(v)
{P,S,V}
Question
28
28.
Find the points belonging to the inside of the circle
(i)
{F,I,L}
(ii)
{L,M,G}
(iii)
{G,J,M}
(iv)
{H,K,N}
(v)
{J,M,H}
Question
29
29.
Find the points belonging to the outside of the circle
(i)
{G,J,M}
(ii)
{M,H,K}
(iii)
{K,H,I}
(iv)
{H,K,N}
(v)
{F,I,L}
Question
30
30.
Which of the following statements are true?
a)
The diameter is the longest chord.
b)
A chord divides a circle into two segments.
c)
The radius is the shortest chord.
d)
Atmost one chord can be drawn on a circle with a certain length.
e)
A chord divides a circle into two sectors.
(i)
{d,b}
(ii)
{e,c,a}
(iii)
{a,b}
(iv)
{d,b,a}
(v)
{c,a}
Question
31
31.
Which of the following statements are true?
a)
The farther the chord is from the centre, the larger the angle it subtends at the centre.
b)
The longest chord of the circle passes through the centre of the circle.
c)
No two chords bisects each other.
d)
Equal length chords subtend equal angles at the centre of the circle.
e)
Equal length chords are equidistant from the centre of the circle.
(i)
{b,d,e}
(ii)
{a,b}
(iii)
{c,d}
(iv)
{a,c,e}
(v)
{a,b,d}
Question
32
32.
Which of the following statements are true?
a)
The diameter divides the circle into two unequal parts.
b)
The area enclosed by a chord and its major arc is called major segment.
c)
The area enclosed by a chord and its minor arc is called minor segment.
d)
A circle divides the plane on which it lies into three parts.
e)
A sector is the area enclosed by two radii and a chord.
(i)
{a,b}
(ii)
{a,e,d}
(iii)
{b,c,d}
(iv)
{a,b,c}
(v)
{e,c}
Question
33
33.
Which of the following statements are true?
a)
The midpoint of any diameter of a circle is its centre.
b)
The longest of all chords of a circle is called diameter.
c)
A sector is the area enclosed by two radii and a chord.
d)
Two chords bisect each other.
e)
The diameter divides the circle into two unequal parts.
(i)
{d,b,a}
(ii)
{a,b}
(iii)
{d,b}
(iv)
{c,a}
(v)
{e,c,a}
Question
34
34.
Which of the following statements are true?
a)
Only one circle can be drawn with a centre.
b)
Atmost one circle can be drawn passing through three non-collinear points.
c)
Only one circle can be drawn passing through two points.
d)
Infinite circles can be drawn passing through three collinear points.
e)
Exactly two tangents can be drawn parallel to a secant.
(i)
{d,a,b}
(ii)
{c,e}
(iii)
{c,e,b}
(iv)
{a,b}
(v)
{b,e}
Question
35
35.
Which of the following statements are true?
a)
A tangent is the limiting case of a secant.
b)
A radius is a limiting case of a diameter.
c)
A diameter is a limiting case of a chord.
d)
A secant and a chord are same.
e)
A secant has two end points.
(i)
{a,c}
(ii)
{e,b,a}
(iii)
{b,a}
(iv)
{d,c}
(v)
{d,c,a}
Question
36
36.
Which of the following statements are true?
a)
The sides of a triangle can be tangents to a circle.
b)
Two tangents to a circle always intersect.
c)
Only one tangent can be drawn through a point on a circle.
d)
Atmost one tangent can be drawn through a point inside the circle.
e)
Only two tangents can be drawn from a point outside the circle.
(i)
{b,d,e}
(ii)
{d,c}
(iii)
{b,a}
(iv)
{a,c,e}
(v)
{b,a,c}
Question
37
37.
Which of the following figures represent a chord ?
(i)
fig III
(ii)
fig V
(iii)
fig I
(iv)
fig II
(v)
fig IV
Question
38
38.
Which of the following figures represent a diameter ?
(i)
fig I
(ii)
fig III
(iii)
fig V
(iv)
fig IV
(v)
fig II
Question
39
39.
Which of the following figures represent a secant ?
(i)
fig II
(ii)
fig V
(iii)
fig III
(iv)
fig IV
(v)
fig I
Question
40
40.
Which of the following figures represent a tangent ?
(i)
fig I
(ii)
fig II
(iii)
fig V
(iv)
fig III
(v)
fig IV
Assignment Key
1) (i)
2) (iii)
3) (i)
4) (iii)
5) (i)
6) (iii)
7) (ii)
8) (iv)
9) (iii)
10) (i)
11) (iii)
12) (i)
13) (iii)
14) (iv)
15) (ii)
16) (v)
17) (iii)
18) (v)
19) (ii)
20) (i)
21) (iv)
22) (iv)
23) (iii)
24) (iv)
25) (i)
26) (ii)
27) (iv)
28) (iii)
29) (iv)
30) (iii)
31) (i)
32) (iii)
33) (ii)
34) (v)
35) (i)
36) (iv)
37) (ii)
38) (iii)
39) (v)
40) (i)