Across
- 3. a four-sided polygon
- 4. elevation above sea level or above the earth's surface
- 8. a quadrilateral whose opposite sides are parallel and equal
- 10. the length of a straight line through the center of a circle
- 14. a line that touches a curve at only one point
- 16. relation with respect to comparative quantity or magnitude
- 18. determine the dimensions of something or somebody
- 19. the length of the closed curve of a circle
Down
- 1. being everywhere equidistant and not intersecting
- 2. being essentially comparable to something
- 5. in or near an inner area
- 6. a closed plane figure bounded by straight sides
- 7. a quadrilateral with one pair of parallel sides
- 8. a closed plane figure bounded by straight sides
- 9. a parallelogram with four right angles
- 11. relation with respect to comparative quantity or magnitude
- 12. relating to or situated in or extending toward the middle
- 13. be at an angle
- 15. a parallelogram with four equal sides
- 17. one of several parts that fit with others to make a whole