Across
- 3. The circle's length
- 5. A squared plus B squared equals C squared
- 10. Two lines, same slope but never touch
- 11. A.K.A. Surface area
- 16. Triangle with a 90 degree angle
- 18. Touches the circle twice
- 19. 4 right angles, 4 equal sides
- 20. A four sided shape with 2 sets of parallel sides
Down
- 1. Line of A squared plus B squared
- 2. Perimeter of a circle
- 4. Add to 180
- 6. Less than 90
- 7. A shape with 1 side, no straight lines
- 8. What's inside the shape
- 9. If two triangles are the same shape but not necessarily the same size, they are
- 12. Center of the triangle
- 13. More than 90
- 14. If two triangles are the same size and shape, they are
- 15. 4 right angles, 2 pairs of equal sides
- 16. Half the circle's length
- 17. 6-angled shape
