Across
- 4. the ratio between the side adjacent to an acute angle in an right triangle and the hypotenuse
- 7. 2D shape
- 8. angle of less than 90°
- 11. a coordinate system in which the coordinate axes are pairwise perpendicular
- 15. polygon with 10,000 sides
- 16. angle of 90°
- 17. the point that relate two sides
Down
- 1. angle of more than 90°
- 2. triangle with two sides equal
- 3. parallelogram with four equal sides
- 5. tool we use to measure angles
- 6. line beginning at one piont and extending in one direction
- 9. tool we use to make right angle
- 10. the W in the formula WxL
- 12. the straight line from the center to the border of circle
- 13. the L in the formula WxL
- 14. surface