Geometry Crossword

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Across
  1. 5. _______ theorem: a + b = c
  2. 7. A pyramid with a circular base
  3. 9. The longest side of a right triangle
  4. 12. when two shapes are similar by a 1:1 ratio
  5. 14. A mirror image of a shape
  6. 15. A line that intersects two or more lines
  7. 18. ____ triangle: A triangle with 3 same sides
  8. 21. ____ triangle: Triangle with one 90 degree angle
Down
  1. 1. A quadrilateral with two pairs of parallel lines
  2. 2. A polyhedron with a polygonal base formed by connecting each vertex of the base to the apex
  3. 3. The perimeter of a circle
  4. 4. A measurement of "inside" of a solid
  5. 6. A polygon with 6 sides
  6. 7. A prism with a circular base
  7. 8. A two-dimensional closed figure of three or more line segments connected end to end.
  8. 10. opposite/adjacent
  9. 11. A 3-d figure with two parallel bases and a lateral surface
  10. 13. A quadrilateral with at least one pair of parallel sides
  11. 16. A closed 3-dimensional figure
  12. 17. opposite/hypotenuse
  13. 19. A quadrilateral with four right angles
  14. 20. A 3-dimensional circle