geometry

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Across
  1. 1. infinite long collection of points
  2. 5. the line or line segment that divides the angle into two equal parts
  3. 6. the middle point of a line segment
  4. 7. The common endpoint at which the two rays meet to form an angle
  5. 9. is created by a vertex connected to the opposite side
  6. 12. equals 180
  7. 13. a line segment drawn from a vertex
  8. 14. distance around a figure
  9. 16. an 8 sided polygon
  10. 17. has one endpoint
Down
  1. 2. is equidistant from each side of triangle
  2. 3. is equaldistant from each vertex of the triangle
  3. 4. is a three sided polygon
  4. 8. where three altitudes of a triangle intersect
  5. 10. 3 unequal sides
  6. 11. equals 90
  7. 14. a series of connected line segment
  8. 15. intersections of its midpoints