Circle Vocab

Front

What is an arc?

Back

An arc is a smaller piece of the circumference of a circle.

Front

What is a secant?

Back

A secant is a line that passes through the circle, intersecting it at two points.

Front

What is a tangent?

Back

A tangent is a line that touches a circle at just one point.

Front

What is the center of a circle?

Back

The center is the point that is equidistant from all points on the circle.

Front

What is a chord?

Back

A chord is a line segment whose endpoints lie on the circle.

Front

What is the circumference of a circle?

Back

The circumference is the distance around the circle.

Front

What is the radius of a circle?

Back

The radius is the distance from the center of the circle to any point on the circle.

Front

What does it mean to bisect an arc?

Back

To bisect an arc means to divide it into two equal parts.

Front

What is a diameter?

Back

A diameter is a chord that passes through the center of the circle.

Front

What is the relationship between a secant and a tangent?

Back

A secant intersects the circle at two points, while a tangent touches the circle at only one point.