Area and Circumference

what is the area of this semicircle ?

• 100.48cm²

• 80cm²

• 200.96cm²

• 25.12cm²

How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.88 ft

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

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m²

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

• 34.54 mm

• 30 mm

• 25.3 mm

• 34.54 cm

Find the circumference of a circle that has an area of 200.96 in²

• 50.24 in

• 40.96 in

• 45.24 in

• 55.96 in

What is the radius of this circle?

• 18 in

• 10 in

• 9 in

• 8 in

What is the diameter of this circle?

• 3.5 m

• 3 m

• 5 m

• 7 m

Jayne has a very large circular lollipop that has a circumference of 25.12 inches. What would the diameter of Jayne’s lollipop be?

• 4 in.

• 8 in.

• 12 in.

• 16 in.

The radius is 8 inches.  What is the circumference?

• 50.24 inches

• 25.12 inches

• 12.56 inches

• 200.96 inches

The circumference is 62.8 inches.  What is the radius?

• 20 inches

• 10 inches

• 6.28 inches

• 31.4 inches