7 Area and Perimeter

________ is the length from one end of the circle to the other.

________ is the length from one end of the circle to the other.

Diameter

________ is the perimeter of a circle.

Circumference

________ is the length from the end of the circle to the middle point.

Radius

Area of Squares and Rectangles

LxW

Area of a Triangle

bh/2

Perimeter of Polygons

s+s+s+s

Circumference

2 π r

Area of a circle

π r^2