Circle Parts

Front

What is the definition of a Radius in a circle?

Back

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

Front

What is the Center of a circle?

Back

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

Front

What is a Secant?

Back

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

Front

What is a Chord in a circle?

Back

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

Front

What is an Arc in a circle?

Back

An arc is a portion of the circumference of a circle.

Front

What is a Diameter?

Back

The diameter is a chord that passes through the center of the circle and is twice the length of the radius.

Front

What is a Tangent?

Back

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

Front

How many points does a tangent intersect a circle?

Back

A tangent intersects a circle at only one point.

Front

What is a Sector in a circle?

Back

A sector is a region enclosed by two radii and the arc between them.

Front

What is the relationship between a Radius and a Diameter?

Back

The diameter is twice the length of the radius.