Circles Review

A circle is named after its __________.

• CENTER

• CHORD

• SEGMENT

• RADIUS

A segment that connects the center to any point on the circle.

• DIAMETER

• CHORD

• RADIUS

• RAY

True or False: All chords are diameters.

• TRUE

• FALSE

A line or a ray that has its endpoints on the circle.

• TANGENT

• SECANT

• CHORD

• RADIUS

A line segment that has its endpoints on the circle.

• CHORD

• RADIUS

• LINE

• SECANT

A line, segment or a ray that intersects the circle at exactly one point.

• SECANT

• TANGENT

• CHORD

• RADIUS

An arc that measures exactly 180°

• MAJOR ARC

• MINOR ARC

• SEMICIRCLE

The measurement of an arc is __________ the measurement of the central angle that intercepts it.

• TWICE

• HALF

• EQUAL TO

An arc that measures greater than 180°.

• SEMICIRCLE

• MAJOR ARC

• MINOR ARC

An arc that measures less than 180°.