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What does the offset command produce?

  • A.a scaled copy about a chosen base point
  • B.a parallel copy at a stated distance
  • C.a mirrored copy about a chosen axis
  • D.a rotated copy about a chosen centre

Answer: B

Correct answer: a parallel copy at a stated distance

Offset produces a curve everywhere the stated distance from the original - a parallel line, a concentric arc, a similarly shaped polyline. It is the natural way to build a wall thickness, a road kerb or a border, and it preserves the shape rather than scaling it.

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