A circle is a basic geometric shape that is used throughout mathematics. A circle is defined as the shape where every point along its perimeter is an equal distance from its center.
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Radius The radius is the distance from the center of the circle to any point along the perimeter of the circle. |
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Circumference The circumference, denoted with the variable , is the length around the perimeter of the circle. |
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Diameter The diameter is the distance between any two points along the perimeter of the circle that passes through the center of the circle. |
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Area The area of a circle is the amount of two-dimensional space that fits inside the perimeter of the circle. |
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Circle Constant The circle constant (tau) is a naturally occuring number calculated by dividing the circumference of any circle by its radius. Read more… |