Circle Review

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Across
  1. 1. the intersection of the medians
  2. 4. the regular one has 27 diagonals
  3. 5. sum of all the interior angles is 1440°
  4. 8. a polygon with four edges (or sides) and four vertices
  5. 9. honeycombed
  6. 10. the point where the angle bisectors intersect
  7. 11. the sum of all the internal angles of it is 1080°
  8. 13. a triangle that has two sides of equal length
  9. 14. a 5-sided polygon
  10. 16. a triangle in which all three sides are equal
  11. 17. a polygon that is equiangular and equilateral
Down
  1. 2. a circle which passes through all the vertices of the polygon
  2. 3. a figure with at least three straight sides and angles
  3. 5. dozen
  4. 6. a shape with seven straight sides
  5. 7. a triangle that has all of its vertices on a circle
  6. 12. a polygon with three edges and three vertice
  7. 15. a regular quadrilateral, which means that it has four equal sides and four equal angles