NUmber prefixes word search

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Across
  1. 2. A three-dimensional solid with 10 faces.
  2. 4. A polygon with 12 sides and 12 angles.
  3. 5. A number system based on ten, using the digits 0–9
  4. 8. An athletic competition consisting of 10 track-and-field events.
  5. 11. A solid with six faces; a cube is the most common example.
  6. 13. A number system based on ten, using the digits 0–9.
  7. 14. A set of ten principles or rules, especially the Ten Commandments.
  8. 17. Four offspring born from the same pregnancy at the same time.
  9. 18. A popular puzzle video game in which players arrange falling geometric blocks (tetrominoes) to complete horizontal lines.
  10. 19. The branch of mathematics that studies triangles and the relationships between angles and sides.
  11. 20. nine sided shape
Down
  1. 1. A competition consisting of five events.
  2. 3. A polygon with 11 sides and 11 angles (also called an undecagon)
  3. 6. A system of rule by five leaders; historically refers to the five major patriarchates of early Christianity.
  4. 7. A group or set of five; more commonly spelled quintuplet when referring to one of five children born at the same time.
  5. 9. A government or ruling system led by six rulers or powers.
  6. 10. A period of three months, often used for pregnancy or academic terms.
  7. 12. the partial or complete paralysis of one side of the body, affecting the arm, leg, and often the face
  8. 15. A group of four people, things, or performers.
  9. 16. A polygon with 7 sides and 7 angles.