Question

What is the surface area a circular spa with a 12 foot diameter with formula

Answer 1

the area of a circle is found with A=
`\pi`*
`r^(2)`

the r stands for radius the radius is half the diameter so it would be 6

A=
`\pi`*
`6^(2)`
A=3.14*36
A=113.4
the surface area of your spa is 113.4 feet