Circles Day

Daniel wants to buy cookies for her friend. The
radius of a cookie is 5 inches. What is the distance around the cookie?

• 10 in
• 2.5 in
• 15.7 in
• 31.4 in 

A circular swimming pool measures 314 feet around. What is the diameter of this pool?

• About 200 ft

• About 100 ft

• About 50 ft

• About 25 ft

The diameter of a bike wheel is 27 inches. If the wheel makes 15 complete rotations, how far does the bike travel?

• 84.78 inches

• 1272 inches

• 1406 inches

• 8.60 inches

What is the area of the yellow?

• 78.5 mi²
• 19.625 mi²
• 39.25 mi²
• 31.4 mi²

What is the radius of this circle?

• 18
• 36
• 9
• 8

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

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

An experienced ice skater spins on the ice, creating a perfect circle with a diameter of 4 feet. What is the circle's radius?

• 8 ft
• 2 ft
• 16 ft
• 4 ft

Before soccer practice, Laura warms up by jogging around the rectangular soccer field that is 80 yards by 120 yards. How many yards does she jog if she goes around the field two times? (Find the perimeter of the rectangle)

• 9600

• 400

• 200

• 800

Your Geometry teacher rents a fast car for the weekend. Her friend, a Physics teacher, uses a stopwatch to time how long it takes your teacher to make one complete revolution about the track. Is this question circumference or area?

• Circumference
• Area

 A glass stained window is shaped like a semicircle. The bottom edge of the window is 36 inches long. How much colored glass would you need to cover the stained window? Round to the nearest hundredth.

• 1017.36 in²
• 508.68 in²
• 56.52 in
• 113.04 in