Across
- 2. an angle more than 90 degrees
- 4. a location with no size
- 6. the distance around the outside of a circle
- 8. the point where a line Segment or ray ends
- 10. a line Segment whose two points are on the circumference of the same circle
- 14. a two-dimensional shape whose sides are parallel to each other
- 15. an angle that measures 90 degrees
- 17. a quadrilateral with two parallel sides and two nonparallel sides
- 20. each angular point of a polygon
- 21. a line that divides a line or angle into two equal parts
- 22. an angle less than 90 degrees
- 25. two lines that meet or intersect each other at a right angle
- 26. a line Segment that passes through the center of a circle and has both endpoints on opposite ends of the circumference
- 27. a two-dimensional shape with four sides, four vertices, and four angles
- 30. half of a circle
Down
- 1. on the same line
- 3. (figures) that are identical when superimposed
- 5. a straight line that cuts a circle in two or more parts
- 7. in the same plane
- 9. a plane figure with at least three straight sides and angles
- 11. a line or plane that only touches a circle at one point
- 12. the amount of space occupied by any three-dimensional solid figure
- 13. a three sided polygon that consists of three edges and three vertices
- 16. it is part of a line that connects two points
- 18. a part of the circumference of a circle
- 19. each of a group of numbers used to indicate the position of a point, line, or plane
- 23. the total space taken up by a two-dimensional figure
- 24. a line Segment from the center of a circle to any point on its circumference
- 28. a line with a single endpoint
- 29. the space (measured in degrees) between two intersecting lines or surfaces at or close to the point where they meet