Intro to Circles Vocabulary

Front

What is a Secant?

Back

A line that passes through the circle at two or more points and continues outside the circle.

Front

What is an Inscribed Angle?

Back

An angle whose vertex lies on the outside edge of the circle and is formed by two chords.

Front

What is a Central Angle?

Back

An angle whose vertex is at the center of the circle and whose sides are radii.

Tags

CCSS.HSG.C.A.2

Front

What is a Chord?

Back

A line segment whose endpoints lie on the circle.

Front

What is a Tangent?

Back

A line that touches the circle at exactly one point.

Front

What is a Minor Arc?

Back

An arc that measures less than 180 degrees.

Tags

CCSS.HSG.C.B.5

Front

What is a Major Arc?

Back

An arc that measures more than 180 degrees.

Front

What is the difference between a Minor Arc and a Major Arc?

Back

A Minor Arc is less than 180 degrees, while a Major Arc is more than 180 degrees.

Tags

CCSS.HSG.C.B.5

Front

What is an Arc?

Back

A part of the circumference of a circle.

Tags

CCSS.HSG.C.B.5

Front

What is the definition of a Circle?

Back

A set of points in a plane that are equidistant from a given point called the center.