Area or Circumference of Circles

What is the area of this circle?

• 1385.44

• 2142.12

• 5541.77

• 1289.12

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

Ms. Catall is using a compass to find her way out of the woods. The compass has a radius of 4 centimeters. What is the compass's area?

• 49.2 cm²

• 45.6 cm²

• 50.24 cm²

• 55.9 cm²

Tags

CCSS.7.G.B.4

Alex has trained his puppy, Zoey, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft

• 12.25 ft

• 10.99 ft

• 8.75 ft

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

A circle has a radius of 7 cm. What is its circumference?

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

If a bicycle wheel rotates once and moves forward 31.4 meters, what is the diameter of the wheel?

Tags

CCSS.7.G.B.4

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4