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Circles
Circles
6.2
Circles
Definition of a Circle
A circle is a closed two-dimensional figure in which the set of all points in the plane are equidistant from a certain point called the 'center'.
Each line passing through the circle forms a line of symmetry of reflection.
Also, the circle has rotational symmetry around the center for each angle.
_____
= Radius
_____
= Diameter
WORDS
EXPLANATION
Center of circle
The point located in the center of the circle.
Circumference of a circle
A closed curve that is the boundary of a circular shape.
Diameter
A straight line that connects two points on the circumference and passes through the center of the circle.
Radius
A straight line that connects the center of a circle with the circumference of the circle.
Chapter : Space
Topic : Circles
Year 6
Mathematics
View all notes for Mathematics Year 6
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