Geometry Crossword

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Across
  1. 2. A closed four-sided figure with parallel opposite sides. A square is a special kind of rhombus. Sometimes called a diamond
  2. 8. A transformation that makes a shape larger by multiplication using scale factors
  3. 9. Two lines that meet to make a corner
  4. 10. A three-dimensional figure with identical equilateral squares as faces
  5. 13. A specific position on a line, plane, or in space
  6. 14. A closed figure with three sides
  7. 16. A closed figure with five sides
  8. 18. A three-dimensional figure with identical ends. Named after the two-dimensional shape at the ends. For instance, a rectangular prism has identical rectangles at each end
  9. 20. Sides that are the same length
  10. 21. A solid or hollow object that tapers from a circular or roughly circular base to a point
Down
  1. 1. A change in size of a shape
  2. 3. A special type of rectangle that has equilateral (same length) sides and parallel opposite sides
  3. 4. Surface planes of three-dimensional shapes
  4. 5. A closed figure with seven sides
  5. 6. A closed figure with six sides
  6. 7. Also known as corner. The point at which two sides of a two-dimensional figure or two edges of a three-dimensional figure meet
  7. 10. Identical in size and shape
  8. 11. A three-dimensional figure on which the faces are triangular and converge to a single point at the top. _____s are named after the shape of their base
  9. 12. Two lines in a two-dimensional space that do not meet
  10. 15. A round body whose surface is at all points equidistant from the center
  11. 17. A closed figure with eight sides
  12. 19. A two-dimensional shape in which all points on the curved line are equidistant from a center point