Ans: D
The base of the triangle base
The base of the triangle base
$\begin{array}{cl}
= & \sqrt{17^2 – 8^2} \\
= & 15\text{ cm}
\end{array}$
The volume of the solid right triangular prism
$\begin{array}{cl}
= & \dfrac{1}{2} \times 15 \times 8 \times 12 \\
= & 720\text{ cm}^3
\end{array}$
