Question 1044871
.
<pre>
1.  A rectangular prism doesn't have the slant height.

    A rectangular prism has the height.

    A pyramid has the slant height.

    A cone has the slant height.


2.  {{{pi}}} is not relevant to this problem.


3.  If your prism is rectangular and NOT a square base, then the info
    "rectangular prism has a base of 8ft" is NOT ENOUGH for the solution.


4.  <U>DIAGNOSIS</U>: there is no sense / (and it is not possible even to try) to solve
               so dirty formulated problem.
</pre>