Terms Related to Circles

The set of all points in a plane that are equidistant from a fixed point, called the center.

• Chord

• Central Angle

• Circle

• Arc

An angle with its vertex at the center of the circle.

• Inscribed Angle

• Central Angle

• Intercepted Angle

• Acute Angle

An arc whose measure is greater than 0 degrees but less than 180 degrees.

• Minor Arc

• Major Arc

• Semicircle

• Arc

An arc whose measure is equal to 180 degrees.

• Major Arc

• Semicircle

• Arc

• Minor Arc

A smooth curve joining to points on a circle.

• Chord

• Radius

• Diameter

• Arc

At a given point on the circle, how many line/s can be drawn that is tangent to the circle?

• One

• Two

• Three

• Four

What is an angle whose vertex is on a circle and whose sides contain chords of the circle?

• Central Angle

• Circumscribed Angle

• Inscribed Angle

• Intercepted Angle

It is a straight line segment that passes through the center of the circle and connects two points on the circle's circumference.

• Radius

• Diameter

• Chord

• Tangent Line

It is a line segment with one endpoint at the center of the circle and the other endpoint on the circle itself.

• Radius

• Diameter

• Chord

• Tangent Line

An arc whose measure is greater than 180 degrees but less than 360 degrees.

• Minor Arc

• Major Arc