Circles

A segment with one endpoint at the center & the other endpoint on the circumference

• Diameter
• Radius
• Chord
• Tangent

∠ABC is a ________ 

• Minor Arc
• Major Arc
• Semicircle
• Inscribed Angle

An arc whose measure is between 180° and 360°

• Minor Arc
• Semicircle
• Major Arc
• Central Angle

A line segment whose endpoints are on the circumference.

• Diameter
• Tangent
• Secant
• Chord

What does the red line represent?

• The circumference of the circle

• The diameter of the circle

• The radius of the circle

Does this circle show the radius or diameter?

• radius

• diameter

True or False: The diameter is being pictured here.

• True

• False

The radius is....

• a line that crosses through the center and touches each edge 
• the center point of a circle 
• a line from the center point to the edge of the circle
• an element in science

Which segment is a radius?

• LM
• DC
• BD
• ML

An angle whose vertex is the center of a circle is a(n) ______.

• inscribed angle
• acute angle
• obtuse angle
• central angle