Geometry Vocabulary

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Across
  1. 2. Part of a line that starts at a point and extends indefinitely in one direction.
  2. 5. A ray or segment that divides an angle into two congruent angles.
  3. 10. Two angles with measures that have a sum of 180 degrees.
  4. 16. The mnemonic used for the trigonomic ratios.
  5. 17. An angle made up of 2 rays with a vertex in the middle of the circle.
  6. 18. Two angles with measures that have a sum of 180 degrees and are adjacent.
  7. 21. A triangle with 2 congruent side lengths.
  8. 22. A measurable part of a line that consists of two endpoints and all the points in between them.
  9. 23. A transformation that makes a figure smaller/bigger based on a scale factor.
  10. 24. An extra line or segment drawn in a figure to help analyze geometric relationships.
  11. 25. Any line, segment, or ray that passes through the midpoint at 90 degrees.
  12. 28. A quadrilateral with 2 sets of parallel lines.
  13. 29. Intersecting at right angles.
  14. 30. A triangle with all different side lengths.
  15. 31. When two figures have the same size and shape.
Down
  1. 1. Formula used to find a missing side on a right triangle.
  2. 3. Any segment, line, plane, or point that intersects a line segment at its midpoint.
  3. 4. Two angles with measures that have a sum of 90 degrees.
  4. 6. Coplanar lines that do not intersect.
  5. 7. The process of reaching a conclusion based on patterns.
  6. 8. When two figures have different size, but same shape.
  7. 9. A transformation that slides a figure.
  8. 11. A flat surface made up of points that has no depth.
  9. 12. A transformation that turns a figure around a fixed point.
  10. 13. A transformation that flips a figure over a line.
  11. 14. A triangle with all 3 congruent side lengths.
  12. 15. The common endpoint of the two rays that form an angle
  13. 19. A location with no size, only position.
  14. 20. The process of reaching a valid conclusion based on general facts, rules, definitions.
  15. 22. Made up of points, has no thickness or width, and extends indefinitely in both directions.
  16. 26. An angle made up of 2 chords with a vertex on the outside of the circle.
  17. 27. The point on a line segment halfway between the endpoints.