Across
- 2. a quadrilateral with no parallel sides
- 4. number of sides: 7
- 8. a polygon which its angles are congruent
- 9. number of sides: 9
- 10. a line segment joining two non-adjacent vertices of the polygon
- 11. the altitude of the isosceles triangles that can be formed from a regular polygon
- 13. an expression of equality between two ratios
- 14. the amount of two dimensional space that a plane figure occupies
- 17. number of sides: 6
- 18. a polygon which its sides are equal
- 21. interior angle of this polygon is less than 180 degrees
- 22. a special type of a rectangle in which all the sides are equal
- 23. the center of the mass of the triangle
- 25. a triangle with no congruent sides and no congruent angles
Down
- 1. a parallelogram in which the interior angles are all right angles
- 3. a quadrilateral in which the opposite sides are parallel
- 5. the center of the circle circumscribing a triangle
- 6. not always in the interior of the triangle
- 7. the center of the largest circle that can be inscribed in a triangle
- 12. a closed plane figure formed by line segments
- 15. a parallelogram in which all sides are equal
- 16. number of sides: 5
- 19. a triangle with two congruent sides and two congruent angles
- 20. number of sides: 8
- 21. has at least one interior angle that measures more than 180
- 24. number of sides: 10