Circumference Area of Circles

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

• 34.6 mm

• 30 mm

• 25.3 mm

• 34.54 mm

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

• 100 yards

• 25 yards

• 150 yards

• 15 yards

find the area of the circle below.

• 100 cm

• 225 cm

• 9 cm

• 28.26 cm

• 25.12 inches

• 12.56 inches

• 50.24 inches

• 31.4 inches

What is the formula to calculate the circumference of a circle?

A circular garden has a radius of 14 meters. What is the length of the fence required to enclose it?

The circumference of a circular track is 440 meters. What is the track's radius?

What is the circumference of a circle with a diameter of 8 inches?