Segment Relationships in Circles(REVIEW)

Front

What is a circle?

Back

A circle is a round shape where all points are the same distance from the center.

Front

What is the center of a circle?

Back

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

Front

What is a radius?

Back

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

Front

What is a diameter?

Back

A diameter is a line segment that passes through the center of the circle and has its endpoints on the circle.

Front

What is a chord?

Back

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

Front

What is a tangent?

Back

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

Front

What is a secant?

Back

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

Front

What are arc lengths?

Back

Arc lengths are the distances along the curved part of a circle between two points.

Front

What is a sector?

Back

A sector is a portion of a circle enclosed by two radii and the arc between them.

Front

What is the relationship between a tangent and a radius?

Back

A tangent to a circle is perpendicular to the radius drawn to the point of tangency.