Across
- 3. is the perimeter of a circle or ellipse
- 9. A part of a line that has two endpoints
- 10. An angle whose vertex is the center of a circle
- 12. If extended infinitely, the lines above will never meet.
- 13. a polyhedron with two congruent and parallel faces
- 14. a precise location or place on a plane
- 15. the point where two rays or line segments meet to form an angle
Down
- 1. An angle that measures 90 degrees
- 2. An angle found on the inside of a shape or object
- 4. an angle greater than 90 degrees but less than 180 degrees
- 5. a two-dimensional sheet defined by any three points
- 6. All the points on the edge of a this are the same distance from the center
- 7. lines that would form a right angle if they crossed
- 8. A shape with two sides that have the same length.
- 11. a collection of points extending along one dimension