Circle Vocab

Front

What is a segment that connects the center of a circle with a point on the circle?

Back

Radius

Front

What is a segment connecting two points on a circle that passes through the center?

Back

Diameter

Front

What is a segment that connects two points on a circle and may or may not pass through the center?

Back

Chord

Front

What do we call the point where a tangent touches a circle?

Back

Point of tangency

Front

What is a line that touches a circle at just one point?

Back

Tangent

Front

What is the longest chord in a circle?

Back

Diameter

Front

What is the distance from the center of a circle to any point on the circle?

Back

Radius

Front

What is a line that intersects a circle at two points?

Back

Secant

Front

What is the term for a line segment whose endpoints lie on the circle?

Back

Chord

Front

What is the relationship between a radius and a diameter?

Back

The diameter is twice the length of the radius.