Circles and Composite Shapes

What is the circumference of a circle with a radius of 12.7 m? 

• 79.76 m

• 80.34 m

• 14.56 m

• 80.00 m

What is the circumference of a circle with a diameter of 11.2 cm? 

• 35.17 cm

• 35.17 m

• 28.67 cm

• 47.17 cm

What is the circumference of a circle with a diameter of 40 in? 

• 125.6 in

• 35.17 in

• 28.67 in

• 47.17 in

The local rodeo has a circular pin, with a diameter of 48 feet, in which they keep the horses. What is the circumference of the horse pin?

• 150.72 feet

• 140.72 feet

• 130.72 feet

• 160.72 feet

What is the circumference of a circle with a radius of 27 yards?

• 169.56 yards

• 179.56 yards

• 189.56 yards

• 159.56 yards

What is the area of a circle with a radius of 27 yards?

• 2289.06 yards

• 2288.09 yards

• 2287.06 yards

• 2288.06 yards

If the diameter of a circle is 2.3 cm, what is the circumference?

• 7.2 cm

• 6.2 cm

• 5.2 cm

• 8.2 cm

If the radius of a circle is 2.3 cm, what is the circumference?

• 14.444 cm

• 13.444 cm

• 15.444 cm

• 16.444 cm

If the radius of a circle is 65.567 inches, what is the circumference?

• 411.76 inches

• 311.76 inches

• 211.76 inches

• 511.76 inches

What is the circumference of a dinner plate with a radius of 4.5 inches?

• 28.26 inches

• 27.26 inches

• 29.26 inches

• 30.26 inches