Circles!!!

The line segment that goes from edge to edge and through the center of a circle is

• area

• circumference

• radius

• diameter

The line segment that goes from the center to the edge of a circle

• diameter

• radius

• circumference

• pi

The distance around the outside of the circle

• diameter

• radius

• circumference

• area

The measure of the inside of a circle (always measured in square units)

• diameter

• radius

• circumference

• area

The ratio of the Circumference to the diameter of the circle

• area

• circumference

• pi

• Mrs. McDonald

What is the symbol for pi?

• 
• 
• 
• 

Half of the diameter is called the

• pi

• radius

• circumference

• area

The measure of the inside of this circle is called: (HINT: It is not labeled on this circle)

• diameter

• radius

• circumference

• area

The circumference is like adding up all around the circle. What is another word for adding up all around a figure?

• diameter

• perimeter

• McDonaldeter

• thermometer

Pi is approximately ______.

• 3.14

• 31.4

• .314

• 3.1.4