Circumference

If my radius is 10ft, what is my diameter?

• 20ft
• 5ft
• 31.4ft
• 62.8ft

If my diameter is 19 inches, what is my radius?

• 38 inches
• 9.5 inches
• 59.66 inches
• 119.32 inches

12 inches in this circle represents its

• radius

• diameter

14cm in the circle represents its

• radius

• diameter

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

What does "circumference" mean?

• Space a circle takes up
• Distance around a circle
• Line from one side of a circle to another
• Line from center of circle to side

Find the circumference of the circle.

• 38.47 cm

• 10.99 cm

• 43.96 cm

• 21.98 cm

Mrs. Wilson placed the welcome mat shown below on her front door step. What is the perimeter of her welcome mat in square feet?

• 23.91 in.

• 20.57 in.

• 19.4 in.

• 30.82 in.

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.