Circle Tests Review

The ratio of circumference to the diameter of a circle is called ____

How do you find the value of π?

• Divide the circumference by the radius

• Divide the circumference by the diameter

• Divide the diameter by the radius

• Divide the diameter by the circumference

Choose all correct approximations of pi.

• 3.14

• 31.4

The Jones family wants to enclose their circular garden with a fence. The distance from the center of the circle to the edge is 62.5 feet.

What is the minimum length of fencing they need to buy?

• 56.25 ft
• 246.2 ft
• 365.56 ft
• 392.5 ft

A cruise ship has a large, circular window. It has a diameter of 8 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 50.27 m²

What is the circumference of a circle with a radius of 27 yards?

• 169.56 yards
• 179.56 yards
• 189.56 yards
• 159.56 yards

find the area of the circle below.

• 100 cm
• 225 cm
• 9 cm
• 28.26 cm

Jazmine is building a fence around her circular garden. How much fencing does she need?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

What is the approximate area of the red circle?

• 25.12 sq inches

• 200.96 sq inches

• 50.24 sq inches

• 314 sq inches

What is the area of the medium cookie?

• 18.84 in²

• 36.32 in²

• 113.04 in²

• 28.26 in²