Across
- 3. Line from one corner to the opposite corner
- 5. when a shape has 2 equal sides (triangle or trapezoid)
- 9. a quadrilateral with 2 pairs of consecutive congruent sides
- 10. quadrilateral with one pair of opposite sides that are parallel
- 11. adds up to exactly 180 degrees
- 12. parallel sides of a trapezoid
- 14. polygon with all properties of parallelograms, rectangles, and rhombi
- 17. a polygon with 2 sets of opposite sides that are parallel and congruent
- 19. in order, or in a row
Down
- 1. equal measurement
- 2. a polygon with exactly 4 sides
- 4. to cut in two equal parts
- 6. creates a 90 degree angle
- 7. adds up to exactly 90 degrees
- 8. non-parallel sides of a trapezoid
- 13. never cross
- 15. parallelogram with 4 congruent sides, not any certain angle
- 16. across from
- 18. parallelogram with four right angles and 2 sets of congruent sides