Week 8 Words

123456789
Across
  1. 2. a vehicle similar to a bicycle, but having three wheels
  2. 4. a vehicle composed of two wheels
  3. 5. a four-sided figure
  4. 8. polygon made up of 9 sides and 9 angles
  5. 9. a plane figure with eight straight sides and eight angles
Down
  1. 1. a half of a circle or of its circumference
  2. 3. a period of ten years
  3. 6. a mythical animal typically represented as a horse with a single straight horn projecting from its forehead
  4. 7. a plane figure with five straight sides and five angles