Euclid Geometry

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Across
  1. 4. – A straight one-dimensional figure
  2. 6. – Accepted without proof
  3. 7. – A statement that is proved
  4. 9. – Point, line, and plane are these
Down
  1. 1. – The most basic geometric object
  2. 2. – A self-evident truth
  3. 3. – Total number of Euclid’s postulates
  4. 5. – Euclid’s famous book
  5. 8. – Father of geometry