Math vocab (chap 9)

the set of all points in a plane that are the same distance from all points on the circle

• circle

• pi

• semicircle

• center

the point inside a circle that is the same distance from all points on a circle

• center

• circumference

• composite figure

• circle

the distance from the center of a circle to any point on the circle

• pi

• circle

• radius

• semicircle

a distance across a circle through the center

• composite figure

• radius

• circumference

• diameter

the distance around a circle

• center

• circumference

• pi

• radius

the ratio of the circumference of a circle to its diameter

• pi

• semicircle

• center

• circle

one half of a circle

• center

• semicircle

• diameter

• radius

a figure made up of triangles, squares, rectangles and other two dimensional figures

• diameter

• circle

• composite figure

• pi