Across
- 1. Identical in size and shape
- 3. of equal importance, rank, or degree
- 5. a straight line that intersects a curve at two or more points
- 7. intersection point of two sides of a plane figure
- 9. a polyhedron with two congruent and parallel faces
- 11. a position in a line
- 12. a polygon with four equal sides and four right angles
- 14. a line enclosing a plane area
- 15. lying in the same plane
- 16. the length of the closed curve of a circle
Down
- 2. a straight line extending from the center of a circle
- 3. a shape with a circular base and sides tapering to a point
- 4. a continuous portion of a circle
- 6. a line that touches a curve at only one point
- 8. the part of a straight line considered as originating at a point on the line and as extending in one direction from that point
- 10. be at an angle
- 12. a round three-dimensional closed surface
- 13. a point equidistant from the ends of a line or the extremities of a figure
- 15. the line segment between two points on a given curve
- 17. a surface generated by rotating a line around a fixed line