Circle Vocabulary

This is a picture of ___________.

• Minor Arc

• Major Arc

• Semi-Circle

• Central Angle

What is this called?

• Major Arc

• Minor Arc

• Circumference

• Perimeter

• center

• diameter

• radius

• center

• diameter

• radius

The radius of a circle is

• The measurement from the center of a circle to an edge of the circle.

• The measurement around the circle

• The measurement from and edge of the circle to another edge through the center

• A line perpendicular to the diameter of the circle

The diameter of a circle is:

• The measurement around the circle.

• The distance from an edge of a circle to another edge.

• The distance from the center of the circle to an edge of a circle

• The distance from an edge of a circle to another edge through the center. 

Which best describes segment AB?

• chord

• secant

• tangent

• diameter

Which of the following names a radius?

• segment AC

• segment DB

• segment AB

• segement BC

What can this formula be used to find?

• area of a circle

• arc length of an arc

• sector area

• circumference of a circle

True of False: The line segment show is the diameter of the circle.

• True

• False