Geometry

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Across
  1. 2. shorter part of a triangle
  2. 4. a position in space
  3. 7. last name
  4. 8. a straight line going through a triangle
  5. 10. no equal sides
  6. 11. little corner box
  7. 12. first name
Down
  1. 1. a2+b2=c2
  2. 3. a polygon with four sides
  3. 5. mr fleming
  4. 6. 5 sides, 5 angles
  5. 9. intersections of two sides of a plane figure