226k views
4 votes
Amanda purchased a circular pool cover with a diameter of 30 feet. rounded to the nearest whole number, which pool area would the cover best fit over?

User Shravani
by
8.4k points

1 Answer

2 votes
Hi there!

To find the area of a circle, we use the equation A=
\pir^2
Diameter is 2 times the radius. Therefore, r=d/2
r=30/2
r=15
A=
\pi15^2
A=225
\pi
A=706.858 feet

Hope this helps!
User CAOakley
by
7.5k points