Topic 76 Segment Relationships in Circles

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 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 is the diameter of a circle?

Back

The diameter is the distance across the circle through the center, equal to two times the radius.

Front

What are chord segments in a circle?

Back

Chord segments are parts of a chord, which is a line segment whose endpoints lie on the circle.

Front

What is a tangent to a circle?

Back

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

Front

What is a secant line?

Back

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

Front

What is an arc in a circle?

Back

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

Front

What is a sector of a circle?

Back

A sector is a region of a circle bounded by two radii and the arc between them.

Front

What is a segment of a circle?

Back

A segment is a region of a circle bounded by a chord and the arc connecting its endpoints.