1											2
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						5	6								7
8
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11
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											13	14
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Across 4. a point at the end of a segment 5. can be any side of a triangle 7. 180* 10. outside of the angles 11. sum of 90* 13. segment whose endpoints are the center of the circle/ point on circle 16. 2 non adjacent angles that are formed by 2 intresting lines 18. a segment through the center of a circle 19. a pair of adjacent angles/ non common sides/ opposite rays 20. 90* 21. 3 or more points on the same plane

Down 1. sum of 180* 2. 2 angles in the same plane/ common vertex/ common side 3. sum of side lengths of the figure 6. ray that divides an angle into 2 congruent angles 8. the distance around a circle 9. 3 or more points on the same line 12. is part of a line between two points 14. number of square units of a given shape 15. between the anles 17. a right angle with a line containing the base