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