Circumference and Area of Circles

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

• Diameter
• Radius

Tags

CCSS.4.G.A.1

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

• Diameter

• Radius

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

• 3 m

• 37.68 m

• 12 m

• 18.84 m

• 113.04 m

What is the area of this circle?

• 15.7 m²

• 78.5 m²

• 31.4 m²

• 170.12 m²

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

• 22 mm

• 5.5 mm

• 69.08 mm

• 34.54 mm

• 94.985 mm

What is the area of a circle with a diameter of 16 cm ?

• 803.84 cm²

• 200.96 cm²

• 50.24 cm²

• 32 cm²

The radius of a circle is 12 cm. What is the circumference of the circle?

• 75.36 cm

• 37.68 cm

• 24 cm

• 6 cm

• 452.16 cm

A flower pot has a circumference of 35 inches. What is the diameter of the flower pot?

• 3.3 inches

• 5.6 inches

• 6.8 inches

• 11.1 inches

What is the circumference of a circle with a radius of 20 in?

• 125.6 in

• 62.8 in

• 1,256 in

• 40 in

A minute hand, which is the radius of a clock, is 13.8 meters long. What is the circumference of the clock?

• 86.66 meters

• 43.33 meters

• 27.6 meters

• 597.98 meters