Across
- 2. the length between two things
- 6. the measurement of a 2D surface or shape
- 7. a line enclosing a plane area
- 9. the length of a straight line through the center of a circle
- 12. the length of the closed curve of a circle
- 14. a quadrilateral whose opposite sides are parallel and equal
- 15. a polygon with four equal sides and four right angles
Down
- 1. a quadrilateral with one pair of parallel sides
- 3. a four-sided polygon
- 4. a plane curve with every point equidistant from the center
- 5. a three-sided polygon
- 8. a parallelogram with four equal sides
- 10. a parallelogram with four right angles
- 11. lines that do not intercept
- 13. a straight line from the center to the perimeter of a circle