6th Grade · Geometry
Perimeter
6.G.A.3
Definition
The total distance around the outside of a two-dimensional figure.
Examples
- P = 5 + 3 + 5 + 3 (add the lengths of all sides).
- Perimeter is the total distance around a figure.
Key rule
Add up every side's length to find the perimeter.
Memory hook
Walk all the way around and add up the distance.