Circumference & Pi

What is the circumference of this circle? Use 3.14 for pi.

• 3.14 inches

• 31.4 inches

• 314 inches

What is the circumference of this circle?

What is the circumference of this circle

• 22 ft.

• 11 ft.

• 44 ft.

What is the definition of circumference?

• the distance from the center of a circle or sphere to a point on the circle or sphere

• the distance across a circle through its center

• the perimeter of a circle

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

Find the circumference of the circle.

• 18.8 cm

• 113 cm

• 37.7 cm

• 452.2 cm

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Find the circumference of the circle.

• 78.5 cm

• 15.7 cm

• 7.85 cm

• 19.6 cm

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 digits do we use for Pi?

• 31.4

• 3.14

• 314