Page 4 - ppt6

Parts of the circle:
P a r t s o f t he c i r c l e :

T
Centre: The fixed point inside the
C e nt r e : h e fi x e d po i nt i ns i d e t he

c
a
l
l

e
l

s
i
e
nt
e
r
.
e
c

d
t

he
circle is called the centre.
c
i
c
r
C i r c umf e r e nc e : he l e n g t h o f t h e
Circumference: The length of the
T
l
l

e
e
i
r
i
c
boundary of the circle is known as
c
bo un d a r y o f t he c i r c l e i s k no w n a s
c
r
bo
i
n
a
w
n
a

s
s
w
s

i
s

no
no
k
k
c

un
a
o
o
y
d
r
r
y
un
d
a
he
he
bo

t
f
f
t
c i r c u mf e r e nc e .
circumference.
T
Radius: The distance between the
R a d i us : h e d i s t a nc e be t w e e n t he
c e nt r e a nd a n y po i nt o n t h e
centre and any point on the
circumference of circle is called its
c i r c u mf e r e nc e o f c i r c l e i s c a l l e d i t s
d
u
i
.
a
r
radius.
s