Geometry Circle Vocabulary

Front

The diameter of a circle is:

Back

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

Front

Point C is...

Back

On the circle

Front

A tangent line of a circle is...

Back

A line that touches the circle only once

Front

How many degrees are in a circle?

Back

360

Front

How many degrees are in a semicircle?

Back

180

Front

A segment whose endpoints lie on a circle is a _______. Options: tangent, chord, diameter, secant

Back

chord

Front

An angle whose vertex is on a circle and whose sides contains chords of the circle is

Back

an inscribed angle

Front

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

Back

secant

Front

An angle whose vertex is the center of a circle is a(n) ______.

Back

central angle

Front

An arc is...

Back

A part of the circumference.