Across
- 5. An angle less than 90 degrees.
- 9. A closed figure with straight sides.
- 11. A line from the center of a circle to any point on the circle.
- 14. A quadrilateral with 4 right angles.
- 16. A polygon with 4 sides.
- 17. The point where two rays or lines meet to form an angle.
- 20. A line that passes through the center of a circle and touches two points on its edge.
- 21. When a shape looks the same on both sides of a line.
- 22. A location with no size or shape.
- 23. An angle greater than 90 degrees but less than 180 degrees.
- 26. An angle that is exactly 90 degrees.
- 28. Lines that intersect to form right angles.
- 30. Lines in a plane that never cross.
Down
- 1. A parallelogram with all sides equal in length.
- 2. The total area of all the faces of a 3D object.
- 3. A straight path that extends forever in both directions.
- 4. A quadrilateral with opposite sides parallel.
- 6. The amount of space a 3D object takes up.
- 7. Formed by two rays with a common endpoint.
- 8. Having the same size and shape.
- 10. The amount of space inside a shape.
- 12. A polygon with 3 sides and 3 angles.
- 13. A rectangle with all sides equal.
- 15. A part of a line with two endpoints.
- 18. The distance around a shape.
- 19. The distance around a circle.
- 24. A quadrilateral with only one pair of parallel sides.
- 25. An angle that is exactly 180 degrees.
- 27. A round shape where all points are the same distance from the center.
- 29. A part of a line that starts at one point and goes on forever in one direction.
