Add all of the sides of the shape together and you have the perimeter.
The outer boundary of a body or figure.
it is the area of a solid object times by the square root of the perimiter
It means the distance around something. For polygons, just add the lengths of all the sides.
circumference
A expression in maths is a collection of terms without an equality sign.
division
What symbol
Related to.
Adding
"tenth"
direction
circle