Choosing Circumference or Area

How many feet are traveled by a person

riding once around a merry-go-round?

• Area

• Circumference

How far does a unicycle move when

the wheel makes 5 full rotations?

• Area

• Circumference

A circular kitchen table has a diameter of 60 inches. You want to know how much fabric you need to cover the top.

• Area

• Circumference

Find the circumference of the circle.

• 31.4 cm

• 78.5 cm

• 314 cm

• 15.7 cm

Tags

CCSS.MATH.CONTENT.7.G.B.4

Find the circumference of the circle

• 21.98

• 153.86

• 43.96

• 615.44

Find the circumference of the circle.

• 14.13 cm

• 63.56 cm

• 28.26 cm

• 127.17 cm

A dog is tied to a wooden stake in a backyard. His leash is 3 meters long and he runs around in circles pulling the leash as far as it can go. How much area does the dog have to run around in?

• 113.04 square meters

• 9.42 square meters

• 18.84 square meters

• 28.26 square meters

Find the circumference of the circle

• 50.24 yd

• 25.12 yd

• 11.14 yd

Tags

CCSS.MATH.CONTENT.7.G.B.4

Find the circumference of the circle.

• 21.98

• 153.86

• 43.96

• 615.44

A ceiling fan is pictured above. The tip of one of the fan blades is labeled point A.  Point A is 28 inches away from the center of the fan. About how far does point A on the fan travel when the fan blades make one full revolution?

• 28 inches

• 56 inches

• 176 inches

• 88 inches