Circle__Math Is Fun.HaHa.

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Across
  1. 2. the set of points which are an equal distance to a fixed point
  2. 4. ice-cream____
  3. 7. a straight line or plane that touches a curve or curved surface at a point, but if extended does not cross it at that point
  4. 8. a region of a circle which is "cut off" from the rest of the circle by a secant or a chord
  5. 10. a set of principles on which the practice of an activity is based
  6. 11. shorten (something) by cutting off the top or the end
  7. 12. a line from the center of a regular polygon at right angles to any of its sides
  8. 13. the center of mass of two or more bodies that orbit one another and is the point about which the bodies orbit
  9. 14. a regular, convex polyhedron
Down
  1. 1. divide (a line, angle, shape, etc.) into two equal parts
  2. 3. the linear distance around a shape's edge
  3. 5. angle the angle inside two adjacent sides of a polygon
  4. 6. the study of numbers, shapes, and space using reason and usually a special system of symbols and rules for organizing them
  5. 9. a circle which passes through all the vertices of the polygon
  6. 14. a plane figure that is described by a finite number of straight line segments connected to form a closed polygonal chain or polygonal circuit.
  7. 15. your expected grade on this quiz