Circumference

12 inches in this circle represents its

• radius

• diameter

14cm in the circle represents its

• radius

• diameter

What is the length of the diameter of the circle?

What is the length of the radius of the circle?

Find the circumference of the circle

• 50.24 yd

• 25.12 yd

• 11.14 yd

Find the circumference of the circle

• 18.84 cm

• 75.36 cm

• 37.68 cm

Find the circumference of the circle whose radius is 4 in

• 12.56 in

• 25.12 in

• 50.24 in

Find the circumference of the circle whose diameter is 10 m

• 31.4 m

• 62.8 m

• 15.7 m

To find the circumference of the circle, which should I use?

• 3.14 x 4

• 3.14 x 4 x 3

• 3.14 x 4 x 2

The radius of the circle is 9 meters.  What is the circle's circumference?

• 9 meters
• 28.26 meters
• 56.52 meters
• 18 meters