Circumference and Area

what is the area of this semicircle ?

• 100.48cm²

• 80cm²

• 200.96cm²

• 25.12cm²

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

A circular pie has an area of 706.5 cm². What is the radius of the pie?

• 225 cm

• 30 cm

• 15 cm

• 112.5 cm

How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.88 ft

If the diameter of a circle is 50 yards, the radius is _____

• 100 yards

• 25 yards

• 150 yards

• 15 yards

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

The Distance around the edge of a circle is called the ______

• Centre

• Diameter

• Circumference

• Arc

Find the radius of a circle if the Circumference of a circle is 43.96.

Find the diameter of a circle if the area is 200.96 sq inches.