Geometry

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Across
  1. 2. A rule/statement accepted without proof
  2. 5. Any 2 points makes a ____
  3. 6. Formed by two rays
  4. 7. A rule/statement accepted with proofs
  5. 8. Space inside a shape
  6. 9. Shape with 3 sides
Down
  1. 1. Shape with 4 sides
  2. 3. To have proportional side lengths
  3. 4. To be of equal measure