Unit 1: Geometry Basics

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Across
  1. 2. Two angles directly across from each other on intersecting lines
  2. 4. Points that lie on the same line
  3. 6. An angle with a degree measure less than 90 degrees
  4. 7. Adjacent angles that are supplementary (combined they form a straight line)
  5. 8. Two angles with measures that sum to 90 degrees (They do not have to be adjacent angles)
  6. 12. Made up of points with no thickness or width
  7. 15. Two angles that share a common side and a Vertex (next to each other)
  8. 22. A line segment or ray Perpendicular to a segment at its midpoint
  9. 23. Two angles that have the same measure are congruent
  10. 24. A location with no size or shape
  11. 25. An angle with a measure of 90 degrees
  12. 26. A line Segment with an associated direction
  13. 27. A line that extends indefinitely in one direction
  14. 29. Points that lie on the same plane
  15. 30. The common endpoint of an angle (Where the two rays or sides intercect)
  16. 31. The formula used to find the point halfway between two endpoints
  17. 32. The formula used to find the distance between two points on a coordinate plane
Down
  1. 1. If A,B,and C are collinear points and B is between A and C, then AB+BC=AC
  2. 3. A line or ray that divides an angle into two equal parts
  3. 5. If <ABD and <DBC are adjacent, then <ABD +<DBC=<ABC
  4. 9. Two angles with measures that sum to 180 degrees (They do not have to be adjacent)
  5. 10. The intersection of two rays at an endpoint
  6. 11. Points that don't lie on the same plane
  7. 12. A measurable part of a line consisting of two endpoints
  8. 13. If two segments have the same length then they are congruent
  9. 14. An angle with a degree measure of 180 degrees
  10. 16. Points that don't lie on the same line
  11. 17. A flat surface made up of points and extends indefinitely in all directions
  12. 18. Two lines that intersect at a 90 degree angle (right angle)
  13. 19. A segment, line, or plane that intersects a segment at its midpoint
  14. 20. The "run" of a directed line segment
  15. 21. The "rise" of a directed line segment
  16. 28. Two lines that never intersect