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Which method suits the development of a prism or a cylinder?

  • A.the approximate zone method
  • B.the parallel line method
  • C.the radial line method
  • D.the triangulation method

Answer: B

Their generators are parallel and of equal length, so the pattern is set out on a straight stretch-out line with the generators erected perpendicular to it. A pyramid or cone instead has generators converging on an apex, which calls for the radial method.

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