Question

A dog is on a 5 ft leash staked to the ground. If he can rotate around the stake, forming a circle, what is the area of the grass he can cover? Use 3.14 for π.

Answer 1

Answer:

78.5 ft²

Step-by-step explanation:

In this situation, the dog's 5 ft leash is the radius of the circle that he forms.

So, the radius is 5.

Use the area formula, A = $\pi$r². Plug in 5 as r, and 3.14 as $\pi$

A = $\pi$r²

A = (3.14)(5²)

A = (3.14)(25)

A = 78.5

So, the area of the grass he can cover is 78.5 ft²