Chapter 5.5, Problem 265E

[T] Use a computer algebra system (CAS) to graph the solid whose volume is given by the iterated integral in cylindrical coordinates ${\displaystyle \underset{-\pi /2}{\overset{\pi /2}{\int }}{\displaystyle \underset{0}{\overset{1}{\int }}rdzdrd\theta }}$. Find the volume V of the solid. Round your answer to four decimal places.