Across
- 5. the property that a figure coincedes with itself under a reflection, also called mirror symmetry
- 7. a polygon with four faces
- 13. equal distance from each of the two endpoints
- 15. a right triangle that consists of two equal leg lengths
- 17. a solid formed by polygons that enclose a single region of space
- 18. a prism that is not a right prism
- 20. a quadrilateral with one pair of parallel sides
- 23. formed by 2 rays that share a common endpoint
- 24. the property that a figure coincedes with itself under isometry
- 25. a closed figure in a plane, formed by connecting line segments
Down
- 1. land exactly on top of eachother
- 2. a tool used to construct circles
- 3. c^2= a^2+b^2
- 4. a prism whose lateral faces are rectangles
- 6. half a sphere and its circular base
- 8. a third type of solid with a curved surface, a set of all points in a space at a given distance from a given hieght
- 9. the side opposite from the right angle
- 10. a special type of polyhedron with two faces called bases, that are congruent, parallel polygons
- 11. another type of solid with a curved surface, it has a base and a vertex
- 12. the study of the relationships between the sides and angles of triangles
- 14. a line intersecting two or more other lines in a plane
- 16. a triangle formed by a right angle
- 18. an angle larger than 90 degrees
- 19. the distance from the center point to the outer edge of a circle
- 21. an angle less than 90 degrees
- 22. a solid with a curved surface