Across
- 2. a parallelogram with four equal sides
- 3. the length of the closed curve of a circle
- 4. a triangle whose interior angles are all acute
- 5. the space between two lines or planes that intersect
- 9. an angle between 90 and 180 degrees
- 10. a round three-dimensional closed surface
- 12. relation with respect to comparative quantity or magnitude
- 13. a polygon with four equal sides and four right angles
- 14. the extent of a 2-dimensional surface enclosed within a boundary
- 15. being everywhere equidistant and not intersecting
- 19. of equal importance, rank, or degree
- 21. a closed plane figure bounded by straight sides
- 22. a line enclosing a plane area
- 23. a three-sided polygon
- 24. be at an angle
- 25. a specific identifiable position in a continuum or series
- 26. an angle less than 90 degrees but more than 0 degrees
Down
- 1. a triangle with two equal sides
- 3. two angles whose sum is a right angle
- 6. a triangle that contains an obtuse interior angle
- 7. in or near an inner area
- 8. a four-sided polygon
- 11. the length of a straight line through the center of a circle
- 16. a continuous portion of a circle
- 17. corresponding in character or kind
- 18. elevation above sea level or above the earth's surface
- 20. a plane curve with every point equidistant from the center