Area and Circumference of A Circle

What is the circumference of a circle with a radius of 3 cm?

• 18.9 sq. cm

• 28.3 cm

• 18.9 cm

• 28.3 sq. cm

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

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

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

What is the circumference of this circle?  Round to the nearest tenth.

• 3.14 cm 
• 37.7 cm
• 24 cm
• 68.4 cm

If the diameter of a circle is 10 mm, the circumference is approximately ___

• 314 mm
• 3.14 mm
• 31.4 mm
• 20 mm

Brian made a tasty burger. The diameter of the
burger was 5 cm. What is the radius of the circle?

• 15.7 cm
• 10 cm
• 2.5 cm
• 31.4 cm

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

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm