math
Across
- 4. having all sides the same length
- 5. weight
- 7. an angle between 90° and 180°
- 11. a solid which tapers from a circular base to a point
- 12. unit of measure of angles or of temperature
- 14. an angle whish is bigger than 180°
- 15. the flat side of a solid
Down
- 1. a quadrilateral with all sides equal
- 2. one thousandth of a kilogram
- 3. the length of the boundary of a flat shape
- 6. 1000 kilograms
- 8. the line where two faces of a solid meet
- 9. a regular solid with six square faces
- 10. angle of less than 90°
- 13. the middle number of a set of numbers put in order