Across
- 5. bisector,a line or ray that divides an angle into two equal parts
- 10. lines,two liones that never intersect
- 11. that lie on the same plane
- 14. end point of an angle
- 16. lines that intersect at 90 degree angle
- 18. interior angles,supplementary
- 19. line that extends indefinitely in one direction
- 20. to 90 degrees
Down
- 1. than 90 degrees
- 2. altitudes intersect in a triangle
- 3. with no size or shape
- 4. of two rays at an endpoint
- 6. a segment joining a vertex
- 7. medians of a triangle intersect at a point
- 8. enlargement or reduction of a figure
- 9. segment,two segments that have the same length
- 12. angles,congruent angles
- 13. than 90 degrees
- 15. angle theorem,if two angles are vertical,then they are congruent.
- 17. made up of points with no thickness or width.