Across
- 2. A polyhedron with two congruent and parallel faces
- 6. A point from the ends of a line
- 7. Angles that sum up to 180 degrees
- 8. Angles that measure less than 90 degrees
- 11. An equal degree
- 14. The length of a closed curve of a circle
- 15. Be at a angle
- 16. A triangle with two equal sides
- 18. The area thats in the middle of something large
- 19. Extending from the middle
Down
- 1. Angles that measure more than 90 degrees
- 3. A triangle with no two sides that are equal
- 4. A straight line from the center to the perimeter of a circle
- 5. Angles that sum up to 90 degress
- 9. The extent of a 2-dimensional surface enclosed within a boundary
- 10. A line enclosing the area
- 12. A quadrilateral whose opposite sides are parallel and equal
- 13. Angles that measure 90 degrees
- 17. A continuous portion of a circle
- 20. The length of a straight line through a circle