Unit 8 Area and Volume 7A

Find the area of the circle

• 56.52
• 254.34
• 1017.36
• 113.04

What is the area of this circle?

• 62.59 cm²
• 113.1 cm²
• 19.81 cm²
• 28.26 cm²

what is the area of this semicircle ?
d = 8 cm 

• 100.48 cm²
• 80 cm²
• 200.96 cm²
• 25.12 cm²

What is/are the formula(s) to find the area of a circle?

• πr²
• 2πr
• √π

What does area mean?

• the distance around a shape
• half the distance around a shape
• the amount of space outside a shape
• the amount of space inside a shape

The diameter of the face-off circle on an ice-hockey rink is 30 feet. Find its area.

• 675.6 ft²
• 29.67 ft²
• 545.8 ft²
• 706.5 ft²

If my diameter is 19 inches, what is my radius?

• 38 inches

• 9.5 inches

• 59.66 inches

• 119.32 inches

If my radius is 10ft, what is my diameter?

• 20 ft

• 5 ft

• 31.4 ft

• 62.8 ft

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

• Radius
• Diameter

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

• Radius

• Diameter