Area of Circumference of Circles

What is the circumference?

• 50.24 cm

• 96 cm

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

Here is a picture of a Ferris wheel. It has a radius of 40 meters. How far does a rider travel in three complete rotations around the Ferris wheel?

• 753.6 meters

• 251.2 meters

• 125.6 meters

• 376.8 meters

Tags

CCSS.7.G.B.4

Match the formulas to the measurements indicated.

• To find the radius of the circle use:

• d/2

• To find the diameter of a circle use:

• To find the circumference of a circle use:

• 2r

• To find the area of a circle use:

Tags

CCSS.7.G.B.4

• 25.12 inches

• 12.56 inches

• 50.24 inches

• 31.4 inches

Tags

CCSS.7.G.B.4

Shring's dining room table is round and has a diameter of 9 feet. What is the tabletop's area?

• 63.585 ft²

• 68.345 ft²

• 64.585 ft²

• 61.345 ft²

Tags

CCSS.7.G.B.4

Find the circumference (to the nearest whole number)

• 88 in

• 44 in

• 116 square in

• None of the above

Tags

CCSS.7.G.B.4

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

What is the area of this circle?

• 163.2

• 15.3

• 124.2

• 113.1

Tags

CCSS.7.G.B.4