Pi and Parts of Circle

What is the distance around the outside of the circle called?

• Area

• Diameter

• Circumference

• Chord

What is the approximate numerical value of this sign?

• 3.11

• 3.14

• 4.13

• 6.28

Find Circumference. Watch the units.

• 28.26 ft²

• 28.26 ft

• 28.26

• 56.52 ft

What does Pi represent?

• The ratio of a square's perimeter to its area

• The ratio of a circle's diameter to its circumference

• The ratio of a rectangle's length to its width

• The ratio of a circle's circumference to its diameter

How is Pi defined?

• The ratio of the diameter of a circle to its circumference

• The ratio of the circumference of a circle to its diameter

• The ratio of the radius of a circle to its circumference

• The ratio of the circumference of a circle to its radius

What is the definition of pi?

• The ratio of a circle's circumference to its diameter

• The ratio of a circle's radius to its diameter

• The ratio of a circle's area to its diameter

• The ratio of a circle's circumference to its are

What digits do we use for Pi?

• 31.4

• 3.14

• 314

What is Pi?

• Ratio of Circumference to diameter

• The distance around the outside of a circle

• The distance from one side of a circe to the other through the center

• The distance from the center of a circle to the outside

What number is pi?

• 41

• 00

• 3.14

• 5.14

What is the definition of Pi, (not its estimated numeric value)?

• pi = c/d

• pi = r/d

• pi = l/d

• pi = d/r