Area Circumference Word Problems

Which formula would you use to answer: Ethan is painting a large circle on one wall of his new apartment. The circle is 8 feet across. Approximately how many square feet of wall will the circle cover?

Tags

CCSS.7.G.B.4

If the word problem is asking you to find the space inside the circle, which formula should you use?

• r = d/2

• d = 2r

• C = πd

• A = πr²

Tags

CCSS.7.G.B.4

If the problem ask you to find the distance around a circle, which formula should you use?

• r = d/2

• d = 2r

• C = πd

• A = πr²

Tags

CCSS.7.G.B.4

Which formula would you use to answer: Lauren's bicycle tire has a diameter of 20 inches. How many inches is one full revolution of the wheel?

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

How many feet around is the pool?

• 10.5 ft

• 42 ft

• 65.94 ft

• 131.95 ft

Tags

CCSS.7.G.B.4

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 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