Area Review

What is the radius of this circle?

• 12cm
• 6cm
• 24cm
• 3cm

What is the radius of this circle?

• 18
• 36
• 9
• 6

What is the diameter of this circle?

• 3.5
• 6.5
• 6
• 7

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.

A Circle has a diameter of 18 meters. What is the circumference of the circle? (Best Choice)

• 9π or about 28.26 m

• 18π or about 56.52 m

• 81π or about 254.34m

• 324π or about 1017.36 m

What is π ? (Best Choice)

• The ratio of the circumference of any circle to its diameter.
• Exactly 3.14
• Exactly 3.1415
• Exactly 3.141593

A ball has a circumference of 9.42 cm. What is the diameter?

• 29.5788 cm
• 59.1576 cm
• 3 cm
• 1.5 cm

Calculate the area. Use 3.14 for pi. Round to the nearest tenth if needed.

• 61.2325 cm ²

• 61.2 cm ²

• 195.9 cm ²

• 90.1 cm ²

Calculate the area.

• 200 in. ²

• 400 in. ²

• 250 in. ²

• 300 in. ²

The figure is composed of a parallelogram and a trapezoid.

What is the area of the figure in square centimeters?