Across
- 1. transformation around a fixed point called center of rotation (turn)
- 4. the angle formed by two adjacent sides of a polygon
- 6. formed by one side of a triangle and the extension of an adjacent side
- 8. another word for congruence transformation
- 9. triangle with 3 acute angles
- 10. original geometric figure
- 11. transformation over a line called line of reflection (flip)
- 14. or matching parts of another polygon
- 21. not adjacent to the exterior angle
- 22. the position of the image may differ from the Preimage
- 24. theorem with a proof that follows as a direct result of another theorem
Down
- 1. triangle with one right angle
- 2. two congruent sides of an isosceles triangle
- 3. uses statements written in boxes and arrows to show logical progression
- 5. when geometric figures are the same shape and size
- 7. all the parts of one polygon are congruent
- 12. side located between two consecutive angles of a polygon
- 13. extra line or segment drawn in a figure to help analyze it
- 15. triangle with 3 congruent acute angles
- 16. triangle with 1 obtuse angle
- 17. the new figure
- 18. angle with the sides that are the legs
- 19. moves all points the same distance in the same direction (slide)
- 20. 2 angles formed by the base and the congruent sides
- 22. use figures in a coordinate plane to prove geometric concepts
- 23. operation the maps an original geometric figure