Candidates are expected to:

1. copy the given elevation correctly;
2. draw the front elevation with the cutting plane;
3. project lines from cutting plane to the plan;
4. draw complete plan;
5. section the cut surface;
6. construct true length to the side of the pyramid;
7. draw the development of the frustum;
8. draw the true shape of the cut surface;
9. draw the auxiliary projection.

The solution is shown below