Across
- 1. 10 sided rectangle
- 4. (lxw)x2
- 6. triangle with no equal sides
- 7. perimeter of a circle
- 10. less than 90 degrees
Down
- 2. more than 90 degrees
- 3. lx2+wx2
- 4. 2 lines that meet at an angle of 90 degrees(wiki)
- 5. a triangle with 2 equal sides
- 8. exactly 90 degrees
- 9. a triangle with 9 sides