Circumference and Area

A Circle has a radius of 6 inches. What is the area of the circle?

• 9.42 in²

• 18.84 in²

• 37.68 in²

• 113.04 in²

A Circle has a radius of 6 inches. What is the circumference of the circle?

• 9.42 in

• 18.84 in

• 37.68 in

• 113.04 in

A Circle has a diameter of 18 meters. What is the circumference of the circle?

• 28.26 m

• 56.52 m

• 254.34m

• 1017.36 m

A circular window has a diameter of 24 inches. A piece of metal is to go around the window for a frame. How long does the metal need to be?

• 75.36 in

• 37.68 in

• 1,808.64 in

• 452.16 in

Find the area of the circle below.

• 113.04 cm²

• 18.84 cm²

• 9 cm²

• 28.26 cm²

What is the diameter of this circle?

Is the red line a radius or diameter of the circle?

• Radius

• Diameter

The radius is 8 inches. What is the circumference? (Rounded to the nearest tenth)

How confident are you on area and circumference?

• Super confident!

• Kind of understand

• Getting there

• A little confused

• I've never been more confused

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

• 3.3 inches

• 5.6 inches

• 6.8 inches

• 11.1 inches