Letters Put Together

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Across
  1. 4. lines lines that meet at right angles
  2. 6. triangle A triangle with no sides equal
  3. 7. A three-dimensional shape with a top and bottom (base) that are congruent polygons and lateral faces that are parallelograms
  4. 9. angle An angle that measures 90 degrees
  5. 12. Polygon polygon that has all of its sides equal and all of it's angles equal
  6. 14. set of numbers used to define the exact position of a point in space
Down
  1. 1. triangle triangle with at least two sides of equal length
  2. 2. the amount of a space occupied by or the capacity of a three-dimensional shape
  3. 3. a corner of a polygon
  4. 5. total distance around the outside of a two-dimensional shape
  5. 8. Area The area required to cover a three-dimensional shape
  6. 10. a three-dimensional shaped with one polygonal base a lateral faces that are triangles that meet at a vertex opposite the base.
  7. 11. the amount of flat space a shape covers
  8. 13. shape formed by three or more line segments, called sides
  9. 15. A two-dimensional pattern that can be folded into a three-dimensional figure