Circle vocabulary flashcard

Front

What is a secant line?

Back

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

Front

What does the center of a circle represent?

Back

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

Front

What is a chord in a circle?

Back

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

Front

What is a diameter?

Back

A diameter is a chord that passes through the center of the circle and is the longest chord.

Front

What is a tangent line?

Back

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

Front

What is an inscribed angle?

Back

An inscribed angle is an angle whose vertex is on the circle and whose sides are chords of the circle.

Front

What is a minor arc?

Back

A minor arc is the smaller arc connecting two points on a circle.

Front

What is a major arc?

Back

A major arc is the larger arc connecting two points on a circle.

Front

What is the relationship between diameter and radius?

Back

The diameter is twice the length of the radius.

Front

What is a central angle?

Back

A central angle is an angle whose vertex is at the center of the circle and whose sides intersect the circle.