transformational geometry

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Across
  1. 4. the coordinate plane is divided into four equal parts by the intersection of the x-axis (the horizontal number line) and the y-axis (the vertical number line)
  2. 7. a two-dimensional shape with four sides, four vertices, and four angles.
  3. 11. the act or process of reducing
  4. 14. a transformation, which is used to resize the object
  5. 15. a flat closed shape having 4 straight sides, with one pair of parallel sides.
  6. 16. the set of all output values it may produce.
  7. 17. the ratio between the scale of a given original object and a new object
  8. 19. the principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates
  9. 20. the set of all elements of the domain that are mapped into a given subset of the codomain
  10. 21. two figures having the same shape
  11. 22. the initial point or the starting point from where we begin our calculations or measurements.
  12. 23. a general term for four specific ways to manipulate the shape and/or position of a point, a line, or geometric figure.
  13. 24. a point about which a plane figure rotates.
Down
  1. 1. a mirror image of the shape
  2. 2. a type of transformation that takes each point in a figure and slides it the same distance in the same direction.
  3. 3. a reference point used to appropriately scale the dilation of a figure
  4. 5. the ratio that defines the relation between the actual figure and its model.
  5. 6. a four-sided plane rectilinear figure with opposite sides parallel.
  6. 8. a parallelogram with opposite equal acute angles, opposite equal obtuse angles, and four equal sides
  7. 9. a type of transformation that takes each point in a figure and rotates it a certain number of degrees around a given point.
  8. 10. the secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates
  9. 12. an ordered pair of numbers a and b, written a / b where b does not equal 0.
  10. 13. a type of transformation where we change the size of the original shape to make it bigger or smaller by multiplying it by a scale factor.
  11. 18. a two-dimension surface formed by two number lines.