Across
- 2. a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
- 6. is any smooth curve joining two points.
- 7. A line segment connecting two points on a curve.
- 9. Concentric circles are circles with a common center.
- 11. to a plane curve at a given point is the straight line that "just touches" the curve at that point.
- 12. the numerical value.
- 13. a ring-shaped object, structure, or region.
- 14. the middle point of a circle or sphere, equidistant from every point on the circumference or surface.
Down
- 1. the enclosing boundary of a curved geometric figure, especially a circle.
- 3. A secant line is a straight line joining two points on a function.
- 4. a half of a circle or of its circumference.
- 5. An inscribed angle is an angle formed by two chords in a circle which have a common endpoint.
- 8. is an angle with endpoints and located on a circle's circumference and vertex located at the circle's center.
- 10. a straight line from the center to the circumference of a circle or sphere.