Perimeter

usgb/pəˈrɪmɪtər/Volume
Left Definition 1 of 2Right
LampPro Tip 1/3
Geometry ContextPlay
Perimeter is a basic term in geometry often used in mathematics education. SlideFind the perimeter of this triangle.
LampPro Tip 2/3
Linear MeasurePlay
Perimeter refers to a one-dimensional measure, even if the shape is two-dimensional. SlideThe perimeter of our garden is longer than yours.
LampPro Tip 3/3
Addition of SidesPlay
It's the sum of all side lengths of a polygon, not just a measure of one side. SlideTo get the perimeter, add all the sides of the quadrilateral.