Q: Which one of the following is used for pyramids and cones in which the true length of the slant edge or the generator is used as radius?
(a)Parallel-line development
(b)Radial-line development
(c)Triangulation development
(d)Approximate method
Correct Answer: (b)
The correct answer is (c): Triangulation development. Subject: General Science | Sub-topic: Physics - Electricity Note: This answer was determined through AI-based research. Verify against the official answer key when available.