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Orthographic projection differs from perspective projection in that orthographic

  • A.makes distant edges converge toward a vanishing point
  • B.preserves true size for faces parallel to the plane
  • C.shows the object as the eye would actually see it
  • D.requires a single station point to be chosen

Answer: B

Correct answer: preserves true size for faces parallel to the plane

Perspective converges the projectors on the eye, so distant edges are drawn shorter and nothing can be scaled off the drawing. Orthographic keeps them parallel, so a face parallel to the plane appears at true size and true shape, and a dimension can be measured directly. The drawing looks less natural, and that is the price of being usable.

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