Across
- 5. the corner of a shape
- 9. a triangle with three congruent sides
- 11. polygon with one set of parallel sides
- 12. polygon with two sets of parallel sides
- 13. an angle that measures 90 degrees
Down
- 1. an angle that is more than 90 degrees
- 2. these lines never intersect
- 3. polygon with four sides
- 4. all congruent sides and 4 right angles
- 6. a closed shape with straight lines
- 7. an angle that is less than 90 degrees
- 8. these lines form a right angle
- 10. polygon with all sides parallel & congruent