Circle Review 2

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Across
  1. 5. a polygon with five sides and five angles
  2. 6. a polygon with eight sides and eight angles
  3. 7. the circumference is intersected with the vertices of the polygon
  4. 9. a closed graph formed by the sequential connection of three line segments that are not on the same straight line
  5. 10. a closed 2d figure enclosed by four uncrossed line segments that are not on the same straight line
  6. 12. a polygon with six sides and six angles
  7. 13. three angle bisectors’ node in a triangle
  8. 14. a polygon with ten sides and ten angles
  9. 15. a polygon with twelve sides and twelve angles
  10. 16. a polygon with seven sides and seven angles
Down
  1. 1. a parallelogram which adjacent sides are equal and one angle is a right angle
  2. 2. the triangle that each side are equal and each interior angle are equal too
  3. 3. the triangle that at least two sides are equal
  4. 4. the triangle which three vertices are all on the circumference
  5. 8. three midlines’ node in a triangle
  6. 11. a polygon with nine sides and nine angles