Circle Vocabulary

What does O represent in the image?

The distance from the center of a circle to a point on the circle is the

• radius

• diameter

• tangent

Tangent lines are ______ to a radius

• parallel

• perpendicular

• touching

Check ALL that are central angles in the image

• angle ERU

• angle ZOM

• angle KOU

• angle ZKU

• angle ZOU

Check ALL that are inscribed angles in the image

• angle ERU

• angle ZOM

• angle RUK

• angle ZKU

• angle ZOU

Arc HI is a

• major arc

• minor arc

• semicircle

Arc NPQ is a

• major arc

• minor arc

• semicircle

Arc JML is a

• major arc

• minor arc

• semicircle

The diameter is

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

• the distance from one point on a circle through the center to another point on the circle

• a line that intersects the circle at two points.

A circumscribed angle is an angle that

• has its two sides tangent to the circle

• has its vertex on a point of the circle

• has its vertex on the center of the circle