Geometry Vocabulary

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Across
  1. 1. the ratio of the length of a side of one figure to the length of the corresponding side of the other figure
  2. 5. lines that are equal distances from each other but don’t intersect
  3. 6. lines that intersect at a right (90 degrees) angle.
  4. 7. when two angles measure up to 90 degrees
  5. 9. a pair of adjacent angles formed when two lines intersect
  6. 12. touch the same two angle pairs
  7. 13. figures that are the same shape
  8. 14. something that models the exact location in space
  9. 17. two angles that have the same side and a common vertex, does not overlap in any way
  10. 18. formed by a transversal intersecting two parallel lines
  11. 21. angles that have equal measure
  12. 22. two ratios that are set equal to each other
  13. 23. either of two angles lying on opposite sides of two intersecting lines
  14. 26. when a figure is moved from one location to another location without changing its size
  15. 28. a line that intersects two or more other (often parallel ) lines
  16. 29. figure that is formed by two two rays, shares common vertex
  17. 30. a part of a line that has a fixed starting point but no end point
Down
  1. 1. two angles or arcs whose sum is 180 degrees
  2. 2. a pair of angles inside two intersected lines
  3. 3. means to change
  4. 4. a pair of angles on one side of a transversal line, and on the inside of the two lines being intersected
  5. 8. a part cut off from a figure, especially a circular or spherical one, by a line or plane
  6. 10. when two lines cross each other, they have a common point
  7. 11. a line that divides something into two equal parts
  8. 15. angle between any side of a shape, and a line extended from the next side
  9. 16. any pair of angles each of which is on the same side of one of two lines cut by a transversal and on the same side of the transversal
  10. 19. lines passing through the midpoint of each side which are perpendicular to the given side
  11. 20. type of transformation that either enlarges or reduces that size of the shape
  12. 21. geometric figure that have the same shape and size
  13. 24. the points on either end of a line segment
  14. 25. used to compare two or more numbers
  15. 27. a long thin mark