Difference between revisions of "Perimeter"
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== Definition == | == Definition == | ||
− | The '''perimeter''' of a geometric figure is the distance around the edge of the figure. | + | The '''perimeter''' of a geometric figure is the distance around the edge of the figure. Perimeter is often denoted by P. The perimeter of a [[circle]] is called its circumference. |
== Formulas == | == Formulas == |
Revision as of 18:53, 10 July 2006
Definition
The perimeter of a geometric figure is the distance around the edge of the figure. Perimeter is often denoted by P. The perimeter of a circle is called its circumference.
Formulas
- Square - 4s, where s is the side length
- Rectangle - 2(l+w), where l is the length and w is the width
- Circle -
, where r is the radius
- Regular geometric figure with n sides - ns, where s is the length of the side