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In the lune method the sphere is divided into

  • A.equal spherical triangles
  • B.a single spiral strip of constant width
  • C.vertical segments between meridian planes
  • D.horizontal slices between parallel planes

Answer: C

Correct answer: vertical segments between meridian planes

The lune method cuts the sphere into orange-peel segments between meridians and flattens each. It is the alternative approximation to the zone method, and the choice between them is usually settled by how the material is to be cut and joined rather than by accuracy.

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