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A line inclined to the horizontal plane but parallel to the vertical plane shows its true length in

  • A.neither view
  • B.the elevation
  • C.the plan
  • D.both views equally

Answer: B

Correct answer: the elevation

A line parallel to the vertical plane is projected onto it without foreshortening, so the elevation shows both the true length and the true inclination to the horizontal. The plan is foreshortened by the cosine of that inclination. This is the attitude every true length construction aims to reach.

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