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Across 6. 90 Degrees (2 Words) 11. Inside the angle (2 Words) 12. Straight path with no thickness and extends forever 13. Three or more points on the same line 14. Names a location 17. It's part of a line between two points (2 Words) 18. The absolute value of the difference of the coordinates 19. The number of nonoverlapping square units of a given size that exactly cover the figure 20. It starts at an endpoint and goes through another point

Down 1. A segment from a vertex that forms a right angle 2. Distance around the circle 3. Sum of the side lengths around the figure 4. Greater than 0 and less than 90 (2 Words) 5. Can be any side of the triangle 7. Outside the angle (2 Words) 8. Three or more points on the same plane 9. Greater than 90 and less than 180 (2 Words) 10. It's a point at the end of a segment 15. A segment that passes through the center of a circle and whose endpoints are on the circle 16. Flat surface with no thickness and extends forever