Perimeter is used in several real world situations.
For example, if your living room is thirteen feet long and twenty feet wide, you know you can't get a rug whose sides are bigger than 13x20.
Another common example is Fencing. When you are putting up a fence you don't really care about the area. You are looking for how much fencing you will need, which means you need to know how big the perimeter of the land is.
In math, perimeter is used in geometry and trigonometry (among other places), and is sometimes used to help student's practice their algebra skills is middle schools.
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Circumference
A perimeter is the distance around two-dimensional shapes. The circumference is the distance around a circle. Typically the distance around polygons is a perimeter and circumference is used for closed curves.
A perimeter is the distance around two-dimensional shapes. The circumference is the distance around a circle. Typically the distance around polygons is a perimeter and circumference is used for closed curves.
the ratio of the perimeter of triangle ABC to the perimeter of triangle JKL is 2:1. what is the perimeter of triangle JKL?
What is the perimeter of a square