Across
- 1. an area that is in the middle of some larger region
- 3. 90 degree angle
- 7. a straight line from the center to the perimeter
- 8. having four right angles
- 11. equal
- 13. the property created by the space between two objects
- 14. equal rank, importance,or degree
Down
- 1. the length of the closed curve of a circle
- 2. an aspect of life or activity
- 4. determining the dimensions of something or somebody
- 5. a quadrilateral whose opposites sides are parallel and equal
- 6. a line enclosing a plane area
- 9. an angle less than 90 but more than 0 degrees
- 10. angle: an angle between 90 and 180 degrees
- 12. the quality of being a like