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)
segment
(iii)
chord
(iv)
major segment
(v)
diameter
Question
2
2.
A line segment joining any point on the circle with its centre is called
(i)
centre
(ii)
semi-circle
(iii)
diameter
(iv)
radius
(v)
circumference
Question
3
3.
A line segment having its end points on the circle is called a
(i)
diameter
(ii)
chord
(iii)
segment
(iv)
semi-circle
(v)
major segment
Question
4
4.
A chord that passes through the centre of the circle is called
(i)
major segment
(ii)
diameter
(iii)
circumference
(iv)
chord
(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)
chord
(iv)
diameter
(v)
centre
Question
6
6.
The segment of the circle containing the centre of the circle is called
(i)
radius
(ii)
segment
(iii)
diameter
(iv)
major segment
(v)
chord
Question
7
7.
Half of a circle is called
(i)
centre
(ii)
segment
(iii)
diameter
(iv)
semi-circle
(v)
circumference
Question
8
8.
The perimeter of a circle is called
(i)
diameter
(ii)
circumference
(iii)
radius
(iv)
major segment
(v)
semi-circle
Question
9
9.
Which of the following statements are true?
a)
Each radius of a circle is also a chord of the circle.
b)
Every circle has a unique diameter.
c)
A circle consists of an infinite number of points.
d)
Every circle has a unique centre.
e)
A line can meet a circle atmost at two points.
(i)
{a,c,d}
(ii)
{b,d}
(iii)
{a,b,e}
(iv)
{a,c}
(v)
{c,d,e}
Question
10
10.
Which of the following statements are true?
a)
Every circle has a unique diameter.
b)
One and only one tangent can be drawn to a circle from a point outside it.
c)
An infinite number of diameters may be drawn for a circle.
d)
An infinite number of chords may be drawn for a circle.
e)
Two semi-circles of a circle together make the whole circle.
(i)
{b,d}
(ii)
{a,c,d}
(iii)
{a,c}
(iv)
{a,b,e}
(v)
{c,d,e}
Question
11
11.
Which of the following statements are true?
a)
Diameter of a circle is a part of the semi-circle of the circle.
b)
A secant of a circle is a segment having its end points on the circle.
c)
Every circle has a unique diameter.
d)
One and only one tangent can be drawn to a circle from a point outside it.
e)
One and only one tangent can be drawn to pass through a point on a circle.
(i)
{b,a}
(ii)
{c,e}
(iii)
{c,e,a}
(iv)
{d,b,a}
(v)
{a,e}
Question
12
12.
If the radius of a circle is 42 cm, what is its diameter?
(i)
86 cm
(ii)
82 cm
(iii)
83 cm
(iv)
84 cm
(v)
85 cm
Question
13
13.
Two circles with equal radii are
(i)
not similar
(ii)
congruent
(iii)
concentric
(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)
105°
(ii)
100°
(iii)
120°
(iv)
90°
(v)
95°
Question
15
15.
Identify the figure below
(i)
quadrilateral
(ii)
circle
(iii)
heptagon
(iv)
octagon
(v)
angle
Question
16
16.
The centre of the circle is
(i)
K
(ii)
J
(iii)
L
(iv)
I
(v)
N
Question
17
17.
The chords of the circle are
(i)
JK
,
KL
,
LM
,
MN
,
NJ
(ii)
JK
,
KL
,
LM
,
MN
,
NJ
,
ON
(iii)
OJ
,
OK
,
OL
,
OM
,
ON
(iv)
JK
,
KL
,
LM
,
MN
,
NJ
,
LN
(v)
KL
,
LM
,
MN
,
NJ
Question
18
18.
The diameters of the circle are
(i)
OQ
(ii)
MN
,
NO
,
OP
,
PQ
,
QM
(iii)
MN
,
NO
,
OP
,
PQ
,
QM
,
OQ
(iv)
RM
,
RN
,
RO
,
RP
,
RQ
(v)
RM
,
RN
,
RO
,
RP
,
RQ
,
OQ
Question
19
19.
The radii of the circle are
(i)
KL
,
LM
,
MN
,
NO
,
OK
(ii)
PK
,
PL
,
PM
,
PN
,
PO
(iii)
KL
,
LM
,
MN
,
NO
,
OK
,
MO
(iv)
KL
,
LM
,
MN
,
NO
,
OK
,
PM
(v)
LM
,
MN
,
NO
,
OK
Question
20
20.
The minor sector of the circle is
(i)
GJHKG
(ii)
GJH
(iii)
LGIHL
(iv)
LGJHL
(v)
GIH
Question
21
21.
The major sector of the circle is
(i)
DFEHD
(ii)
DFE
(iii)
IDFEI
(iv)
DGE
(v)
IDGEI
Question
22
22.
The minor arc of the circle is
(i)
ACB
(ii)
FACBF
(iii)
ADB
(iv)
ADBEA
(v)
ACBEA
Question
23
23.
The major arc of the circle is
(i)
BECFB
(ii)
BDCFB
(iii)
BEC
(iv)
BDC
(v)
GBECG
Question
24
24.
The minor segment of the circle is
(i)
PKNLP
(ii)
KNLOK
(iii)
PKMLP
(iv)
KML
(v)
KMLOK
Question
25
25.
The major segment of the circle is
(i)
FIG
(ii)
FIGJF
(iii)
FHG
(iv)
KFIGK
(v)
FHGJF
Question
26
26.
The distance around the circle is called
(i)
radius
(ii)
chord
(iii)
arc
(iv)
circumference
(v)
diameter
Question
27
27.
Find the points belonging to the circle
(i)
{L,O}
(ii)
{J,M}
(iii)
{J,N}
(iv)
{K,N}
(v)
{J,O}
Question
28
28.
Find the points belonging to the inside of the circle
(i)
{D,G}
(ii)
{E,G}
(iii)
{I,E}
(iv)
{E,H}
(v)
{F,I}
Question
29
29.
Find the points belonging to the outside of the circle
(i)
{P,N}
(ii)
{N,L}
(iii)
{L,O}
(iv)
{N,Q}
(v)
{M,P}
Question
30
30.
Which of the following statements are true?
a)
The radius is the shortest chord.
b)
A chord divides a circle into two segments.
c)
The diameter is the longest 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,c,b}
(ii)
{b,c}
(iii)
{a,b}
(iv)
{e,a,b}
(v)
{d,c}
Question
31
31.
Which of the following statements are true?
a)
Equal length chords subtend equal angles at the centre of the circle.
b)
No two chords bisects each other.
c)
The longest chord of the circle passes through the centre of the circle.
d)
Equal length chords are equidistant from the centre of the circle.
e)
The farther the chord is from the centre, the larger the angle it subtends at the centre.
(i)
{a,c,d}
(ii)
{b,a,c}
(iii)
{e,c}
(iv)
{b,a}
(v)
{b,e,d}
Question
32
32.
Which of the following statements are true?
a)
The area enclosed by a chord and its major arc is called major segment.
b)
A circle divides the plane on which it lies into three parts.
c)
The area enclosed by a chord and its minor arc is called minor segment.
d)
A sector is the area enclosed by two radii and a chord.
e)
The diameter divides the circle into two unequal parts.
(i)
{a,b,c}
(ii)
{d,a,b}
(iii)
{d,e,c}
(iv)
{e,b}
(v)
{d,a}
Question
33
33.
Which of the following statements are true?
a)
A sector is the area enclosed by two radii and a chord.
b)
Two chords bisect each other.
c)
The longest of all chords of a circle is called diameter.
d)
The diameter divides the circle into two unequal parts.
e)
The midpoint of any diameter of a circle is its centre.
(i)
{a,c}
(ii)
{b,e}
(iii)
{d,a,c}
(iv)
{c,e}
(v)
{b,e,c}
Question
34
34.
Which of the following statements are true?
a)
Atmost one circle can be drawn passing through three non-collinear points.
b)
Infinite circles can be drawn passing through three collinear points.
c)
Only one circle can be drawn passing through two points.
d)
Exactly two tangents can be drawn parallel to a secant.
e)
Only one circle can be drawn with a centre.
(i)
{c,d}
(ii)
{a,d}
(iii)
{b,a}
(iv)
{c,d,a}
(v)
{e,b,a}
Question
35
35.
Which of the following statements are true?
a)
A tangent is the limiting case of a secant.
b)
A secant has two end points.
c)
A radius is a limiting case of a diameter.
d)
A secant and a chord are same.
e)
A diameter is a limiting case of a chord.
(i)
{a,e}
(ii)
{d,b,a}
(iii)
{c,e,a}
(iv)
{b,a}
(v)
{c,e}
Question
36
36.
Which of the following statements are true?
a)
Two tangents to a circle always intersect.
b)
Only one tangent can be drawn through a point on a circle.
c)
The sides of a triangle can be tangents to 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)
{a,b}
(ii)
{b,c,e}
(iii)
{d,c}
(iv)
{a,d,e}
(v)
{a,b,c}
Question
37
37.
Which of the following figures represent a chord ?
(i)
fig III
(ii)
fig II
(iii)
fig I
(iv)
fig IV
(v)
fig V
Question
38
38.
Which of the following figures represent a diameter ?
(i)
fig II
(ii)
fig IV
(iii)
fig III
(iv)
fig I
(v)
fig V
Question
39
39.
Which of the following figures represent a secant ?
(i)
fig I
(ii)
fig III
(iii)
fig V
(iv)
fig IV
(v)
fig II
Question
40
40.
Which of the following figures represent a tangent ?
(i)
fig II
(ii)
fig IV
(iii)
fig III
(iv)
fig I
(v)
fig V
Assignment Key
1) (i)
2) (iv)
3) (ii)
4) (ii)
5) (i)
6) (iv)
7) (iv)
8) (ii)
9) (v)
10) (v)
11) (v)
12) (iv)
13) (ii)
14) (iv)
15) (ii)
16) (v)
17) (i)
18) (i)
19) (ii)
20) (iii)
21) (v)
22) (i)
23) (iii)
24) (v)
25) (ii)
26) (iv)
27) (ii)
28) (iv)
29) (iv)
30) (ii)
31) (i)
32) (i)
33) (iv)
34) (ii)
35) (i)
36) (ii)
37) (v)
38) (i)
39) (iv)
40) (iii)