Across
- 6. a shape with one pair of parallel sides
- 7. a shape with 4 sides and 4 corners
- 10. a trianlge with three 60 degree angles
Down
- 1. a parallelogram with congruent diagonals
- 2. a triangle with 2 congruent sides and 2 congruent angles
- 3. a shape with 4 congruent sides and 2 pairs of congruent angles
- 4. the side opposite a right angle in a triangle
- 5. a shape with 2 pairs of parallel and congruent sides
- 8. a line that goes from one corner to another in quadrilateral
- 9. a shape with congruent and perpendicular diagonals