Area + Circumference of Circles & Volume of Cylinders

Is the red line a radius or diameter of the circle?

• Radius
• Diameter

What is circumference?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

What is the area of a circle?

• The distance around a circle.
• The space inside the circle.
• A line from side to side passing through the center.
• A line from the center to the side.

The homeowners association wants to enclose the playground in a fence. How much fencing will they need to purchase?

Would you need to find the Area or Circumference?

• area

• circumference

• neither

Steven purchases a bowl. The diameter of the

bowl is 14 cm. What is the distance around the bowl? Use the Pi button.

• 21.98 cm

• 43.98 cm

• 87.96 cm

• 7 cm

Find the area of the circle below. Use 3.14 for Pi.

• 100 cm²

• 225 cm²

• 9 cm²

• 28.26 cm²

What is the circumference of a circle with a diameter of 19.1 ft? Use 3.14 for Pi.

• 60.00 ft

• 35.17 ft

• 28.67 ft

• 47.17 ft

A minute hand (radius) of a clock is 13.8 meters long. What is the circumference of the clock? Use 3.14 for Pi.

• 86.70 meters

• 76.66 meters

• 66.66 meters

• 96.66 meters

What's the volume of the cylinder?

A can of pasta has a diameter of 3 inches and a Volume of 50 cubic inches of sauce. What is the height of the can? Round your answer to the nearest tenth.

• 1.8 inches

• 5.3 inches

• 10.6 inches

• 7.1inches