Perimeter, Circumference, and Area
15 views | +0 today

# Perimeter, Circumference, and Area

 Scooped by Miranda Childers

## Area and Perimeter Quiz

No comment yet.
 Scooped by Miranda Childers

## Perimeter

Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems instantly.

square = 4a

rectangle = 2a + 2b

triangle = a + b + c

circle = 2pi r

No comment yet.
 Scooped by Miranda Childers

## Perimeter and Area

No comment yet.
 Scooped by Miranda Childers

## Circumference

Circumference of a circle is presented in this interactive lesson from Math Goodies. Learn circumference at your own pace.

The distance around a circle is called the circumference. The distance across a circle through the center is called the diameter. is the ratio of the circumference of a circle to the diameter. Thus, for any circle, if you divide the circumference by the diameter, you get a value close to . This relationship is expressed in the following formula:

No comment yet.