Discussion
A draughtsman measures a line's inclination directly from the plan view and reports it as the true inclination. The figure will be
Answer: C
Correct answer: too large
A projection preserves the height difference between the ends while shortening the base, so the angle in the view is steeper than the real one. Reading the inclination straight off a view therefore overstates it, and the error grows the more the line is inclined to that plane. The true angle appears only in a view showing the true length.
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