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Match the method with what it does.

1. Change of position   2. Auxiliary plane parallel to the figure   3. Auxiliary plane perpendicular to the figure

P. Gives the true shape directly   Q. Moves the figure until it is parallel to a principal plane   R. Shows the figure as a line

  • A.1-P, 2-Q, 3-R
  • B.1-Q, 2-R, 3-P
  • C.1-R, 2-P, 3-Q
  • D.1-Q, 2-P, 3-R

Answer: D

Correct answer: 1-Q, 2-P, 3-R

Three techniques with three distinct effects. Change of position moves the figure until it is parallel to a principal plane, where its true shape appears. An auxiliary plane parallel to the figure gives the true shape directly, without moving anything. And an auxiliary plane perpendicular to the figure shows it as a line, which is the intermediate step that makes the parallel auxiliary possible.

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