Circumference and Area Applications

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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

• 106.76 inches

• 53.38 inches

• 907.46 inches

• 34 inches

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4