Question

The volume of a cylinder is 8,478 cubic inches, and the radius is 15 inches. Which measurement is closest toheight of this cylinder in inches?А A90 in.812 in.48 in.08 in.

Answer 1

`\begin{gathered} \text{The volume is } \\ V=h\cdot A \\ \text{ where h is the height and the area is the basis' area} \\ 8478=\pi(15)^2h \\ (8474)/(225\pi)=h \\ h=11.988\ldots\text{ } \\ h\approx12\text{ inches} \end{gathered}`