Area and Circumference of a Circle

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Steven purchases a bowl. The diameter of the bowl is 14 cm. What is the circumference of the bowl?

• 28 cm

• 43.96 cm

• 87.96 cm

• 7 cm

Find the circumference of a circle with a diameter of 11 millimeters.

• 34.6 mm

• 30 mm

• 25.3 mm

• 34.54 cm

Find the circumference of a circle with a radius of 12.5 mm.

• 37.68mm

• 18.84mm

• 78.5mm

• none of the above

What is the circumference of a circle with a radius of 54 m?

• 339.12 m
• 169.56 m
• 84.78 m 

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

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's approximate circumference?

• 3 m 
• 9.42 m
• 12 m
• 18.84 m

Find the area of the circle

• 43.96
• 153.86
• 87.82
• 307.72

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04