Circumference of a Circle Real World Problem

A circular swimming pool is 21 feet in diameter.

How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

A circular swimming pool has a 21 foot diameter.

How many square feet of tarp would be needed to cover the pool?

• 10.5 ft

• 42 ft

• 1384.74 sq ft

• 346.185 sq ft

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
• 246.2 ft
• 365.56 ft
• 392.5 ft

Alex has trained his puppy, Popper, to jump through a ring. According to Alex's measurements and calculations, the ring has a diameter of 3.5 feet. What is the ring's circumference (use 3.14 for pi)?

• 11.32 ft
• 12.25 ft
• 10.99 ft
• 8.75 ft

The spray from a spinning lawn sprinkler makes a circle with a 40 foot radius. If Ben and his friends want to play and get wet, how much space do they have?

• 1256 sq ft

• 5024 sq ft

• 125.6 sq ft

• 251.2 sq ft

A circle has a diameter of 17 inches. What is the circumference?

• 106.76 inches

• 53.38 inches

• 907.46 inches

• 34 inches

A business has a circular lawn in front of the building (shown in the picture). How many steps would it take to walk around the entire lawn? (Round your answer to the nearest whole number)

• 4,416 steps

• 118 steps

• 150 steps

• 236 steps

Jason is painting a large circle on one wall of his new apartment. The largest distance across the circle will be 8 feet. Approximately how many square feet of wall will the circle cover?

• 200.96 ft²

• 50.24 ft²

• 25.12 ft²

• 20.96 ft²

A circular race track has a diameter of 1/2 mile.
How far does a car travel in one lap around the 
track?

• 1 mile
• 0.25 miles
• 1.57 miles
• 15.7 miles

Five Italian chefs came together to bake the world’s largest pizza. Its diameter is 131 feet long! Which of these is closest to the area of the pizza? Round to the nearest whole number.

• 13471 ft²

• 411 ft²

• 206 ft²

• 4290 ft²