Across
- 5. extending toward the middle
- 7. an angle that is less then 90 degree
- 10. interior angles are all acute
- 12. a location on the coordinate plane
- 13. space between two objects
- 14. a continuous portion of a circle
- 15. the measure between two lines
Down
- 1. a triangle with two equal sides
- 2. a quadrilateral whose opposite sides are parallel and equal
- 3. a line enclosing a plane area
- 4. being everywhere equidistant and not intersecting
- 6. a point equidistant from the ends of a line
- 8. similar but not identical
- 9. a polyhedron with two congruent and parallel faces
- 11. written on or in a surface