Area of a Circle

What does area mean?

• the distance around a shape

• half the distance around a shape

• the amount of space outside a shape

• the amount of space inside a shape

• 3.11

• 3.12

• 3.14

• 3.15

Tags

CCSS.7.G.B.4

• Diameter

• Radius

• Circumference

• :)

Tags

CCSS.7.G.B.4

In order to find area of a circle, you have to ______________

• Square the radius

• add the radius

• divide the radius

• Not sure:((

Tags

CCSS.7.G.B.4

A lawn sprinkler sprays water 5 feet in every direction as it rotates. What is the area of the sprinkled lawn?

• 31.4 square feet

• 15.7 square feet

• 19.63 square feet

• 78.5 square feet

Tags

CCSS.7.G.B.4

What is the Area Formula for a Circle?

• A = $\pi$ * r * r

• A = $\pi$ * d

• A = 2 * $\pi$ * r

Tags

CCSS.7.G.B.4

Find the area of the quarter circle. Round you answer to the nearest hundredth.

• 58.88

• 78.50

• 7.85

• 157.00

Tags

CCSS.7.G.B.4

Find the area of the circle

• 56.52

• 254.34

• 1017.36

• 113.04

Tags

CCSS.7.G.B.4

Formula for the area of a circle

Tags

CCSS.7.G.B.4

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

Tags

CCSS.7.G.B.4