Geometry Circle Vocabulary

The point at which a tangent line intersects a circle is known as the

• point of tangency

• point of chordom

• point of secantism

• center

The set of all points in a plane that are equidistant from a given point in that plane

• Center

• Circle

• Diameter

• Chord

• Secant

The set of all points in a plane that are given distance from a given point.

• circumference

• Circle

• semi circle

• tangent line

The given point from which all points on a circle are equidistant.

• arc

• radius

• center or a circle

• chord

The diameter of a circle is:

• The measurement around the circle.

• The distance from an edge of a circle to another edge.

• The distance from the center of the circle to an edge of a circle

• The distance from an edge of a circle to another edge through the center. 

Tags

CCSS.HSG.C.A.2

Point C is...

• On the circle

• Outside the circle

• Inside the circle

• Between B and D

Tags

CCSS.4.G.A.1

A tangent line of a circle is...

• It's diameter

• It's radius

• It's circumference

• A line that touches the circle only once

How many degrees are in a cirlce?

• 90

• 180

• 270

• 360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

How many degrees are in a semicircle?

• 90

• 180

• 270

• 360

Tags

CCSS.4.MD.C.5B

CCSS.HSG.CO.A.1

A line that intersects a circle at two points is a ______________.

• tangent

• secant

• diameter

• chord