Question

the foundation for a cylindrical flower bed is a cylinder 19 in. in diameter and 5.0in. high. How many cubic in. of concrete are needed to build the foundation?

Answer 1

the volume of a cylinder is pi*r^2 * h
so
\[v=\pi*r^2 * h\]
\[v=\pi*(19/2)^2 * 5\]

Answer 2

thanks

Answer 3

^_^