Across
- 2. angle- the relationship involving two sides of the angle they form
- 4. A quadrilateral with two pairs of parallel sides
- 5. sum theorem- The sum of the measures of the interior angles of a triangle is 180
- 8. triangle- all sides the same length
- 9. angles- the angles inside a polygon
- 13. triangle- a triangle with three equal angles
- 14. triangle- a triangle with three acute angles
- 17. triangle- no sides the same length
- 19. side- the side connecting two verticals of a triangle
- 20. - the perpendicular segment from a vertex to the opposite side or to the line that contains the opposite side
- 23. angle- the angles across from a side
Down
- 1. two sides the same length
- 3. side- the side across from an angle
- 5. operation that moves or changes a geometric figure in some way to produce a new figure called an image
- 6. - a segment that connects the midpoints of two sides of triangle
- 7. angles- in an isosceles triangle the two angles adjacent to the base
- 10. A three sided closed figure
- 11. Motion- A sequence of reflections , translation, and/or rotations
- 12. triangle- a triangle with one obtuse angle
- 15. - a segment from the vertex tot he midpoint of the opposite side
- 16. angle- the angles that form linear pairs with the interior angles
- 18. A four sided closed figure
- 21. Rise over run
- 22. angle- a triangle with one right angle