math

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Across
  1. 2. a 3D shape with triangles
  2. 4. the distance around a figure
  3. 5. a corner of a polygon
  4. 6. are that are lines that are same length
  5. 8. a shape by three or more line segments
  6. 10. a polygon with all of its sides equal
  7. 14. the measure of the amount of surface enclosed by the boundary of a figure
  8. 15. a triangle with two sides that are the same length
Down
  1. 1. a triangle with no equal sides
  2. 3. a two dimensional pattern
  3. 7. an ordered pair of numbers used to locate a point on a gird
  4. 9. the area of a 3D shape
  5. 11. a angle at 90 degrees
  6. 12. the space inside a 3D shape
  7. 13. a three dimensional shape that has a top and bottom