Across
- 2. a part of any curve
- 3. a set of points with infinite length but no width or height
- 7. plane shape with 4 straight lines
- 9. Angles adding to 180 degrees
- 10. a flat surface in which a plane would be found
Down
- 1. two lines that are at 90 degrees to each other
- 4. amount of space in an object
- 5. a set of points an equal distance from a point in a 3D plane
- 6. parallelogram with equal sides
- 8. a triangle, rectangles are an example