GEOM Week 4 Parts of a circle vocabulary

Front

What is a minor arc?

Back

A minor arc is a part of a circle that measures less than 180 degrees.

Front

What is a major arc?

Back

A major arc is a part of a circle that measures greater than 180 degrees.

Front

What is a radius?

Back

A radius is a line segment from the center of a circle to any point on its circumference.

Front

What is a diameter?

Back

A diameter is a line segment that passes through the center of a circle and has its endpoints on the circle, measuring twice the length of the radius.

Front

What is a chord?

Back

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

Front

What is a secant?

Back

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

Front

What is a tangent?

Back

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

Front

How do you identify a minor arc in a circle?

Back

A minor arc can be identified as the shorter arc connecting two points on the circle.

Front

How do you identify a major arc in a circle?

Back

A major arc can be identified as the longer arc connecting two points on the circle.

Front

What is the relationship between a radius and a diameter?

Back

The diameter is twice the length of the radius.