lets put together

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Across
  1. 1. a 3D shape with one polygonal base and lateral faces that are all triangles that meet at a vertex opposite the base
  2. 2. an ordered pair of numbers on a __________ grid
  3. 3. a polygon that has all of its sides equal and all of its angles equal.
  4. 9. a triangle with two sides of equal length
  5. 10. a 2d figure that can be folded into a 3d figure.
  6. 13. a triangle with no equal sides
Down
  1. 1. lines that meet at right angles
  2. 4. an angle that measures 90 degrees. (hint a square or rectangle has 4 of these
  3. 5. area the area required to cover a 3D shape
  4. 6. a shape formed by three or more lines called sides
  5. 7. a corner of a polygon
  6. 8. the amount of space occupied by or the capacity of a 3D shape (the area of a 3D shape)
  7. 11. a three dimensional shape formed with a top and bottom (base) that are congruent polygons and lateral faces that are parallelograms
  8. 12. the amount of squares inside a 2d shape