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Across 2. more then 90 degrees less then 180 degrees (2 Words) 4. the sum of the side lengths around the figure 5. half of a circle/ diameter 7. two angles whose measures have a sum of 180 degrees (2 Words) 8. distance around the circle 10. 90 degree (2 Words) 12. two nonadjacent angles that are formed by two intersecting lines (2 Words) 15. inside the angle 16. less then 90 degrees (2 Words) 17. flat surface with no thicknes and extends forever 19. segment from the vertex that make a right angle with the base

Down 1. two angles whose measures have a sum of 90 degrees (2 Words) 3. 180 degrees (2 Words) 6. any side of a triangle 9. straight path with no thickness and extends forever 11. segment that passes through the center of a circle 13. outside the angle 14. point at the end of a segment (2 Words) 17. names a location 18. number of nonoverlaping square units of a given size that exactly cover the figures