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What must be found before a pyramid with an oblique cut can be developed?

  • A.the area of the cut surface itself
  • B.the inclination of the cutting plane to the axis
  • C.the true length of each cut lateral edge
  • D.the volume of the portion removed

Answer: C

The cut crosses each edge at a different distance from the apex, and those distances are foreshortened in the principal views. Each must be brought to true length before it can be stepped off along the corresponding radial line of the pattern.

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