Across
- 6. equivalence of geometric shapes and size
- 8. is "π" sign
- 9. is two lines, line segments
- 11. angle are used to describe the amount of rotation between two lines or rays that intersect at a common point,
- 13. is an angle that measures exactly 90 degrees.
- 15. 1 turn =360
Down
- 1. is an angle formed by two arcs on the surface of a sphere.
- 2. is "c" sign
- 3. arcmimute, 1 =60'
- 4. formed by two rays
- 5. is same shapes, not same size
- 7. a Triangle shape
- 10. is used to describe the relationships between different shapes and lines
- 12. is "deg"sign
- 14. infinite line