Question

2.
The area of a circle is approximately 3.14 times the radius squared. Which of the following expressions is a correct way to write this, if the radius is r?

Answer 1

\[A \approx 3.14r^2\]

Answer 2

\[Area = \pi(r ^{2})\]

Answer 3

just nit picking, the original statement didn't mention pi. ;-)

Answer 4

^^ we'll i would certainly hope he knows where pi comes from and its value :D

Answer 5

well*