Across
- 3. part of the circle edge
- 4. a line segment is the exact moddle point
- 7. any geomrtic figure is congruent to itself
- 9. an angle that't 180degree
- 11. two line that intersect at90 degree angle
- 14. identical in sahape and size
- 17. the angle that't more than 90
- 18. a polygon where all sides are equal in lengh
- 19. if two two things are related to third thing
- 20. if two things are related to thrird thing
Down
- 1. of congruence if one geometric shape is comgruent to one orther
- 2. an angletha's less than 90
- 5. part of the circle edge central angle
- 6. a flat 2 dimensional surface that extends infinitely in every direction
- 8. s the set of all points in the plane that are a fixed distance (the radius) from a fixed point (the centre)
- 10. is a transformationor composition that preserve the size and shape
- 12. an angle thats 90 degree
- 13. when two things are the same thing
- 15. an ordered pair of real numbers
- 16. line that don'touch each orther