Question

Cal is creating a circular garden for his yard. The radius of the garden is 15 feet. He wants to put fencing around the garden that costs $3.54 per foot. How much will the fencing cost?

Answer 1

The fencing will cost $334

Explanation:

To know how much the fencing will cost. We need to calculate the total length around the garden.

This is same as the circumference of the circular garden.

Mathematically, the circumference C of a circle can be calculated using the formula

C = 2 × π × r

where r = 15 feet

C = 2 × 22/7 × 15

C = 94.3 feet

Now the fencing cost $3.54 per foot

Total cost = 94.3 × 3.54 = $333.822

or simply $334 to the nearest whole dollars