Across
- 6. the perimeter of the circle
- 8. the thing we need to do when we solve math problem
- 9. the shape that has maximum stability
- 10. we use it to sew clothes
- 11. divide things into different groups
- 12. the size of the house
- 13. the shape of the full moon
Down
- 1. the longest leg of a right triangle
- 2. the number that above the fraction line
- 3. lines that would never intersect
- 4. the shape of the A4 paper
- 5. the results of dividing a number by another one
- 7. the longest line in a circle
- 14. the thing that we usually make to know what to buy before shopping