Circles Test Study guide

Find the area of the circle.

Find the area of the circle.

What is the circumference of a circle with a radius of 5 in terms of π ?

• 5 π 
• 10 π 
• 25 π 
• 50 π 

The Jones family wants to enclose their circular garden with a fence. To the nearest foot, what is the minimum length of fencing they need to buy?

• 56.25 ft
• 246 ft
• 365 ft
• 393 ft

A DVD has a diameter of 15 millimeters. What is the circumference?

• c = 15π
• C = 2π15
• c = 15/π
• c = 15/2π

Saichelle bought a circular rug that is 9 feet in diameter. What is the circumference of the rug rounded to the nearest tenth of a foot?

• 4.5 feet

• 14.1 feet

• 28.3 feet

• 56.5 feet

A flower pot has a circumference of 35 inches. What is the approximate length of the radius of the flower pot?

• 3.3 inches

• 5.6 inches

• 6.8 inches

• 11.1 inches

What is the area of this circle?

• 62.59
• 113.1
• 19.81
• 28.27

What is the area of this circle?

• 62.59

• 113.1

• 19.81

• 28.27

The distance around the circle.

• Diameter

• Radius

• Circumference

• Area