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CIRCLES

Review terms that help us talk about circles and their properties.

Tools

A	B
radius	the distance halfway across a circle, a line segment that touches the center and edge of the circle
diameter	a line segment whose endpoints are on the circle and that touches the center of the circle
chord	a line segment whose endpoints are on the circle
circumference	the distance around the circle
circle	the set of all points in a plane that are a given distance from the center
Pi	about 3.14
double	what you do to the radius to get the diameter
about triple	what you do to the diameter to get the circumference