The circumference of a circle is also its perimeter. The perimeter of a quadrilateral, like a square or a rectangle, is always equal to twice the length plus twice the width. The perimeter of a triangle or a hexagon is always equal to adding the length of all the sides together.
Cite this page: Carr, K.E. What is a perimeter? – Simple geometry. Quatr.us Study Guides, July 29, 2017. Web. October 16, 2018.
About the Author: Karen Carr
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