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Identify which of the following is a POSTULATE (geometry-specific assumption), not a common notion.

Class 9Euclid's PostulatesGeometry — Foundations
  • AThings which are equal to the same thing are equal
  • BIf equals are added to equals, the wholes are equal
  • CA circle can be described with any centre and radius
  • DThe whole is greater than the part

Step-by-Step Solution

Drawing a circle with any centre and radius is Euclid's third postulate. The others are common notions (axioms).
Answer: C) A circle can be described with any centre and radius

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