Unit 4 Test

Definition: line segment that extends from the center of a circle to any point on the circle

• radius

• diameter

• circumference

• area

Definition: collection of points that are equidistant from a fixed point called the center

• radius

• diameter

• circle

• arc

Definition: line segment that connects a point on a circle to a point on the other side of the circle and passes through the center

• radius

• diameter

• circle

• sector

Definition: a portion of a circle's circumference

• radius

• diameter

• arc

• sector

Definition: a portion of a circle's area

• radius

• diameter

• arc

• sector

Definition: the length around the outside of a full circle

• arc length

• sector area

• circumference

• area

Definition: the space taken up by a full circle

• arc length

• sector area

• circumference

• area

What is the degree measure of a full circle?

5 cm is the...

• radius

• diameter

• circumference

• area

10 units is the...

• radius

• diameter

• arc length

• sector