Circles Class 10 PPT

 Page 1


CIRCLES
Page 2


CIRCLES
Definition of Circle
A circle is a set of points an equal distance 
from one point called the center. 
The line segment from 
the center to the edge 
of the circle is called the 
radius.
radius
Page 3


CIRCLES
Definition of Circle
A circle is a set of points an equal distance 
from one point called the center. 
The line segment from 
the center to the edge 
of the circle is called the 
radius.
radius
If two circles have the same radius, 
then the circles are congruent
Congruent circles
Page 4


CIRCLES
Definition of Circle
A circle is a set of points an equal distance 
from one point called the center. 
The line segment from 
the center to the edge 
of the circle is called the 
radius.
radius
If two circles have the same radius, 
then the circles are congruent
Congruent circles
Definition of Chords
A chord is a line segment the touches the 
edges of the inside of a circle.
Page 5


CIRCLES
Definition of Circle
A circle is a set of points an equal distance 
from one point called the center. 
The line segment from 
the center to the edge 
of the circle is called the 
radius.
radius
If two circles have the same radius, 
then the circles are congruent
Congruent circles
Definition of Chords
A chord is a line segment the touches the 
edges of the inside of a circle.
Definition of Chords
A chord is a line segment the touches the 
edges of the inside of a circle.
The Greatest Chord is the longest Chord in 
a circle, called the 
diameter. 
The diameter goes through 
the center and equal 
two radii