Answer:
The answer is C. 1472.61 square feet
Step-by-step explanation:
If you are familiar with Pi (π) you can do a lot of fun stuff with math.
Let's review some values:
A = Area, C = circumference, r = radius, π = 3.14159 (commonly rounded off to 3.14).
You might already know that the area of a circle can be calculated with the formula A = π r2 (pi r squared).
However, we do not know the radius in this instance so this formula isn't going to work for us.
Let's try a different way.
We do know the circumference. The circumference is simply the length of the fencing, 136 feet.
So we'll use this formula:
A = C2 / 4π
C2 is 136 x 136, or 18,496. Don't be scared off by this huge number; we're going to whittle it down.
4π = 12.56
18,496/12.56 (or 18,496 divided by 12.56) = 1472.61
Wasn't that fun?
