Circles

Front

Circle

Back

set of all points in a plain that are the same distance from a point called the center

Front

radius

Back

distance from the center to any point on the circle

Front

Diameter

Back

Distance across the circle through the center

Front

Circumference

Back

distance around the circle

Front

Formula for finding diameter

Back

d = 2r

Front

Find the radius of the circle.

Back

10 ft

Front

Find the diameter of the circle.

Back

14 m

Front

Find the radius of the circle.

Back

1.5 m

Front

What is the formula for finding the area of a circle?

Back

A = π r²