Chapter 1 - Exploring Geometry

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Across
  1. 3. a tool used to draw or measure angles
  2. 5. the point that marks the end of a line segment or ray
  3. 9. to divide into two equal parts
  4. 10. lines that form right angles
  5. 11. to meet at a point; to cross or overlap each other
  6. 13. a set of many points that extend in opposite directions without ending
  7. 16. two angles whose measures add to 90*
  8. 19. points on the same line
  9. 21. the study of points, lines, angles, surfaces, and solids
  10. 22. angles with a common vertex and one common side
  11. 25. an angle whose measure is 180*
  12. 26. an angle whose measure is 90*
  13. 27. a location in space represented by a dot
  14. 28. a figure made up of two sides, or rays, with a common endpoint
Down
  1. 1. a two-dimensional flat surface
  2. 2. process of making a line, angle, or figure according to specific requirements
  3. 4. ray that divides an angle into two equal parts
  4. 6. an angle whose measure is greater than 90* but less than 180*
  5. 7. two angles whose measures add to 180*
  6. 8. angles that have a common vertex and whose sides are formed by the same lines
  7. 10. a statement about geometric figures accepted as true without proof
  8. 12. a tool used to draw circles and parts of circles called arcs
  9. 14. a set of points that is part of a line; has one endpoint and extends in one direction with no end
  10. 15. the number of times a base is multiplied by itself
  11. 17. part of a circle
  12. 18. a part of a line
  13. 20. the number being multiplied by itself
  14. 22. an angle whose measure is greater than 0* and less than 90*
  15. 23. the point common to both sides of an angle
  16. 24. a unit of angle measure