Circumference and Area of Circles

What is the diameter of the circle?

• 3.14 m

• 4.5 m

• 9.0 m

• 14.13 m

What is the radius of the circle?

• 3.14 mm

• 6.5 mm

• 13 mm

• 26 mm

Calculate the circumference

of the circle above.

• 21.98 cm

• 40.82 cm

• 43.96 cm

• 47.1 cm

Calculate the area

of the circle above.

• 43.96 cm²

• 87.92 cm²

• 113.04 cm²

• 153.86 cm²

Calculate the circumference

of the circle above.

• 28.888 yd

• 56.52 yd

• 57.148 yd

• 57.776 yd

Calculate the area

of the circle above.

• 57.776 yd²

• 265.77 yd²

• 271.59 yd²

• 277.45 yd²

The circumference of a circle measures 47.1 feet. What is the diameter of the circle?

• 13 feet

• 14 feet

• 15 feet

• 16 feet

The circumference of a circle measures 65.94 mm. What is the radius of the circle?

• 9 mm

• 9.5 mm

• 10 mm

• 10.5 mm

The area of a circle measures 78.5 inches². What is the radius of the circle?

• 4 inches

• 4.5 inches

• 5 inches

• 5.5 inches

The area of a circle measures 200.96 feet². What is the diameter of the circle?

• 4 feet

• 8 feet

• 16 feet

• 64 feet