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Across 1. Qquadrilateral with four sides and can be grouped into two pairs of equal-length sides that are adjacent to each other. 4. 12 sided figure 5. A convex quadrilateral with four sides that all have the same length. 9. A four sided polygon characterized by right angles and sides of equal length. 10. Hhaving all interior angles less than or equal to 180°. 11. 10 sided figure 13. Used to descripe 2 sides that are equal in a triangle. 15. 5 sided figure 16. Angles add up to 180 degrees. 17. Extending from one edge of a figure to the other. 19. The surface that an object stands on. 21. Polygon that is equilateral and equiangular. [2 words] 22. A quadrilateral figure having two parallel and two nonparallel sides. 23. Paralelogram with 4 right angles, and 1 pair of sides are larger than the other pair. 24. Undefined amount of sides to a figure.

Down 2. Trapezoid which legs are equal. [2 words] 3. 9 sided figure 6. 6 sided figure 7. Angles that add up to 90 degrees. 8. Line that cuts a figure directly in half. 12. 8 sided figure 14. Having at least one interior angle greater than 180°. 15. Qquadrilateral with opposite sides that are parallel. 18. 7 sided figure 20. Lines or planes next to each other that never touch.