Euclids geometry

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Across
  1. 3. Famous treatise of Euclid
  2. 5. boundries of a solid is
  3. 7. Common notions used in mathematics is called
  4. 8. A surface which lies evenly with the straight lines on it self
  5. 9. father of geometry
Down
  1. 1. Who gave the first known proof
  2. 2. meaning of metrian
  3. 4. manuals of geometrical construction in India
  4. 6. meaning of geo
  5. 8. what doesn't have any dimensions