Circle Review

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Across
  1. 3. three more sides than pentagon
  2. 5. 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.
  3. 11. a plane figure with four equal straight sides and four right angles.
  4. 15. triangle inside a circle
  5. 16. longest chord
  6. 17. a plane figure with three straight sides and three angles
  7. 18. opposite of interior angle
  8. 19. a straight line joining the ends of an arc.
  9. 20. a triangle that every sides are equal
  10. 21. a plane figure with ten straight sides and angles.
  11. 22. the center of the incircle of a triangle or other figure.
  12. 24. the plane figure enclosed by two radii of a circle or ellipse and the arc between them.
  13. 25. opposite of incenter
  14. 27. a plane figure with five straight sides and five angles.
  15. 28. a straight line that cuts a curve in two or more parts.
Down
  1. 1. a plane figure with nine straight sides and nine angles.
  2. 2. a plane figure with six straight sides and angles.
  3. 4. the angle between adjacent sides of a rectilinear figure.
  4. 6. a triangle that two sides and two angles are equal
  5. 7. the enclosing boundary of a curved geometric figure, especially a circle.
  6. 8. having four straight sides.
  7. 9. every sides and interior angle are equal
  8. 10. a line from the center of a regular polygon at right angles to any of its sides.
  9. 12. a point or line common to lines or surfaces that intersect
  10. 13. a plane figure with at least three straight sides and angles, and typically five or more.
  11. 14. a circle outside of a triangle
  12. 23. one more side than hexagon
  13. 26. a straight line from the center to the circumference of a circle or sphere.