Jessica has a circular birdbath in her backyard with a radius of 1.25 feet. She wants to place a decorative border around the circumference of the birdbath. If the border costs $3.60 per foot, how much will the border for the birdbath cost Jessica in all? Use 3.14 for .
no idea
you need to know the circumference of a circle: c = 2πr
so the cost is feet * cost per foot:
2*1.25*π * 3.60 = ____
To calculate the cost of the border for Jessica's circular birdbath, we need to find the circumference of the birdbath. The formula to calculate the circumference of a circle is given by:
Circumference = 2 * π * radius
Given that the radius of the birdbath is 1.25 feet, we can substitute this value into the formula:
Circumference = 2 * 3.14 * 1.25
Circumference = 7.85 feet
Now, we can calculate the cost of the border by multiplying the circumference by the cost per foot:
Cost of border = Circumference * Cost per foot
Cost of border = 7.85 * $3.60
Cost of border = $28.26
Therefore, the border for the birdbath will cost Jessica a total of $28.26.