Magic math

1234567891011121314
Across
  1. 3. triangle What's the shape of when the clamp nips the dish?
  2. 6. The shape of one side like.
  3. 8. The top point that two sticks cross.
  4. 9. A point that in the middle of the tyre.
  5. 10. A car if good or not is depends on tyre's _____.
  6. 11. line Two sticks is_____, that can keep dish balanced.
  7. 12. To prop up the wheel.
Down
  1. 1. Connect the tyre's midpoint and wheel.
  2. 2. It use ____ to hold the dish.
  3. 4. triangle Each space like _____, they are equal side and angle.
  4. 5. Each tyre have the same _____.
  5. 7. The half of axle the shape likes _____.
  6. 13. angle The angle of two sticks cross.
  7. 14. angle The angle of rectangle is ______.