Across
- 4. a parallelogram with four right angles and four congruent sides
- 6. a polygon with eight sides
- 8. an angle with a measure of less than 90 degrees
- 9. a closed plane figure formed by three or more line segments that do not cross
- 13. perpendicular to the horizon, north to south
- 14. a quadrilateral with both pairs of opposite sides parallel
- 15. the PLURAL form of a segment that has one endpoint at the center and the other endpoint on the circle
- 17. two lines that cross at one point
- 18. a polygon with three sides
- 23. a triangle with three congruent sides
- 25. a polygon with four sides
- 26. a parallelogram with four equal sides
- 28. having the same size and shape
- 29. a collection of points lying in one plane, extending forever in two directions
- 30. two angles whose measures sum is 90 degrees
Down
- 1. the perimeter of a circle
- 2. parallel to the horizon, east to west
- 3. a polygon with six sides
- 4. a triangle with no congruent sides
- 5. two angles whose measures sum is 180 degrees
- 7. an angle with a measure of greater than 90 degrees but less than 180 degrees
- 10. a three-dimensional figure
- 11. two lines lying in the same plane that do not intersect
- 12. two lines that intersect at right angles
- 14. a particular place in space
- 16. an angle with a measure of exactly 90 degrees
- 19. the point that divides a segment into two congruent segments
- 20. a segment that passes through the center of a circle and has both endpoints on the circle
- 21. a geometric tool used to draw circles and arcs
- 22. a segment that connects two vertices that are not next to each other
- 24. a triangle with two congruent sides
- 27. the number of cubic units needed to fill the space inside a three-dimensional figure