Xavier Geometry

123456789101112
Across
  1. 3. divide into two parts
  2. 4. a quadrilateral with only one pair of parallel sides
  3. 7. same on both sides
  4. 8. one dimensional figure, length but no width
  5. 9. the space between 2 interconnecting lines
  6. 10. 4 sided figure, all straight lines
  7. 12. the distance from side to side
Down
  1. 1. outer boundary of a figure
  2. 2. quadrilateral 4 right angles,2 parallel sides
  3. 5. shape with 3 sides
  4. 6. highest point/top/apex
  5. 9. the amount of space within a 2d shape
  6. 11. measure under 90 degrees