List of top Architecture, Planning and Design Questions on Visual composition in 2D and 3D

The reference points, lines and planes for drawing a two-point perspective of an object are marked in the Figure below. Select the correct option(s) that match(es) with the corresponding nomenclature.

An opaque pyramid (shown below), with a square base and isosceles faces, is suspended in the path of a parallel beam of light, such that its shadow is cast on a screen oriented perpendicular to the direction of the light beam. The pyramid can be reoriented in any direction within the light beam. Under these conditions, which one of the shadows P, Q, R, and S is NOT possible? \begin{center} \includegraphics[width=0.5\textwidth]{03.jpeg} \end{center}