Geometry

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