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 .
2 answers
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 = ____
so the cost is feet * cost per foot:
2*1.25*π * 3.60 = ____
2 answers