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Across 6. two geometric objects having the same measure 7. a line that divides a figure in half so they each mirror image of each other 9. a three sided poloygon 11. a common endpoint of two sides of a poloygon or an angle 13. the distance around a figure 14. a segment that connects two nonadjacent verticies of a polygon 15. Part of a line that starts at a particular point and extend far in one direction 16. eight sided polygon 17. nine sided poloygon 18. a series of connected line segments that start and end at the same place

Down 1. a line that intersects a given segment at a right angle 2. measures 90 degrees 3. a straight one-dimensional figure extending infinitely in both directions. 4. A set of points on a line consisting of two end points. 5. four sided 8. a figure formed by two line segments or rays 10. seven sides 12. six sides 13. five sided poloygon 14. ten sides