Complete Question:
A dog is leashed to the corner of a house with a 15 foot leash. How much running area does the dog have? Round your answer to the nearest square foot.
Answer:
The dog has about 707 square feet of running area.
Explanation:
From the illustration in the question, one can conclude that the dog can travel in a circular path.
So, the length of the leash represents the radius and we are to calculate the required area using the area of a circle.
We have:
Where
and
So: