Question

Ruby is visiting a wildlife center to gather information for her term paper. The center has a circular pond with a diameter of 20 meters. What is the approximate area of the pond?
1,256 square meters
628 square meters
314 square meters
62.8 square meters

Answer 1

\[Area=\frac{ \pi d^2 }{ 4}\]

Answer 2

\[\pi=3.14\]\[d=20\]

Plug in the values, then that's it.