To explain: a three-legged support work better than one with four legs.
Answer to Problem 13CE
A three-legged support works better than a four-legged support.
Explanation of Solution
Given information:
A three-legged support.
Given a three-legged support, there exists only one possible planet.
Hence, the base of the support will be a solo plane, and so it will usually be very stable.
So its not basic true for four-legged supports, which have an additional degree of freedom.
Chapter 1 Solutions
McDougal Littell Jurgensen Geometry: Student Edition Geometry
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