Across
- 3. Shape with four equal sides perpendicular to each other
- 5. Shape with three sides and two of them are equal
- 7. Shape with three sides
- 11. A circle that passes through all the vertices of the polygon
- 12. Triangle with angles on a circle
- 13. Shape with five sides
- 16. Shape with twelve sides
- 17. Shape with nine sides
Down
- 1. Shape with seven sides
- 2. Shape with three equal sides
- 4. The center of mass
- 6. the center of the incircle of a triangle or other figure
- 8. shape with multiple equal sides
- 9. Shape with ten sides
- 10. Shape with four equal sides
- 13. Shape with multiple sides
- 14. Shape with eight sides
- 15. Shape with six sides
