Geometry - Circle Vocabulary

Front

What is a segment that goes from the center to the edge of a circle?

Back

Radius

Front

Provide an example of a radius.

Back

Line segment KL

Front

What is the term for a line that intersects a circle at two points?

Back

Secant

Front

What do you call a line that touches a circle at exactly one point?

Back

Tangent Line

Front

Name a minor arc in a circle.

Back

Arc AB

Front

What is the longest chord in a circle called?

Back

Diameter

Front

What is the distance around a circle called?

Back

Circumference

Front

What is the area of a circle formula?

Back

A = πr²

Front

What is a chord in a circle?

Back

A segment whose endpoints lie on the circle.

Front

What is the difference between a major arc and a minor arc?

Back

A major arc is larger than a semicircle, while a minor arc is smaller.