Q.

Which method of development is employed in case of pyramids?

A. parallel-line development
B. approximation method
C. triangulation development
D. radial-line development
Answer» D. radial-line development
Explanation: parallel-line is employed in case of prisms and cylinders in which stretch out-line principle is used. radial-line development is used for pyramids in which the actual length of the slant edge or the generator is used as a radius.
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