Difference between revisions of "Perimeter"
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| − | In plane geometry, the '''perimeter''' of a 2-dimensional object is equal to the length of the object's boundary. For example, the perimeter of a [[polygon]] is the sum of the lengths of its sides. The perimeter of a circle is | + | In plane geometry, the '''perimeter''' of a 2-dimensional object is equal to the length of the object's boundary. For example, the perimeter of a [[polygon]] is the sum of the lengths of its sides. The perimeter of a circle is called a [[circumference]], and is the circle's [[diameter]] multiplied by [[pi]]. |
[[Category:Geometry]] | [[Category:Geometry]] | ||
Revision as of 03:37, March 17, 2007
In plane geometry, the perimeter of a 2-dimensional object is equal to the length of the object's boundary. For example, the perimeter of a polygon is the sum of the lengths of its sides. The perimeter of a circle is called a circumference, and is the circle's diameter multiplied by pi.