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CIRCLE
Posted by kAmi cikGu mAths
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math form 2
A circle is a simple, perfect shape consisting of those points in a plane which are equidistant from a given point called the center. The common distance of the points of a circle from its center is called its radius.
the earth
eclipse
Parts Of A Circle
Circumference Of A Circle
The ratio of a circle's circumference to its diameter is π (pi), a constant that takes the same value (approximately 3.141592654) for all circles. Thus the length of the circumference (c) is related to the radius (r) by
or equivalently to the diameter (d) by
Area Of A Circle
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