Crossword Puzzle Prefix quad

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Across
  1. 2. a four-sided enclosure, usually surrounded by buildings
  2. 3. a plane figure in geometry that has four sides (including square, rectangle, rhombus, parallelogram, and trapezoid)
  3. 6. to create four times as much or as many of something
  4. 7. to create four times as much or as many of something
  5. 8. a muscle group consisting of four muscles that is located along the front of the thigh
  6. 9. an animal with four feet
Down
  1. 1. happening every four years
  2. 4. a collection or group of four; one of four babies born from the same mother at the same time
  3. 5. one out of four equal parts of a circle; one section of a four section coordinate grid
  4. 6. a prefix that means four
  5. 8. a collection or group of four; one of four babies born from the same mother at the same time