Shapes and Spaces

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Across
  1. 1. A line from the center of a circle to the edge
  2. 8. 📏📐↔️🎯
  3. 10. A shape with four right angles and 2 opposite equal sides
  4. 11. An angle less than 90 degrees
  5. 12. A five-sided shape
  6. 13. A triangle with all sides and angles equal
  7. 14. The shape formed by (3,6), (7,6), (7,3), and (3,3)
Down
  1. 2. When one half is a mirror image of the other
  2. 3. Opposite angles that are equal
  3. 4. A six-sided shape
  4. 5. A polygon with eight sides
  5. 6. No ends? I go on forever
  6. 7. A tool used to measure angles
  7. 9. The first greek letter to lable an angle