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A plane figure perpendicular to the horizontal plane and inclined to the vertical plane appears in the plan as

  • A.a straight line inclined to the reference line
  • B.its true shape at full size
  • C.a foreshortened version of the true shape
  • D.a straight line parallel to the reference line

Answer: A

Correct answer: a straight line inclined to the reference line

Being perpendicular to the horizontal plane, the figure collapses into a line when viewed from above; and the direction of that line is its inclination to the vertical plane, so it is inclined to the reference line by that angle. The elevation will show it foreshortened rather than as a line.

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