Geometry A Unit 5 Vocabulary

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Across
  1. 6. lines that lie in the same plane and do not intersect
  2. 7. an equation that states that two ratios are equal to each other
  3. 9. in a dilation, the constant ratio between the distance from the center of dilation and a point on the image and the distance from the center of dilation and the corresponding point on the pre-image
  4. 10. in a dilation, the fixed point that is collinear with each point on the pre-image and the corresponding point on the image
  5. 11. a transformation of the plane that preserves angle measures
  6. 13. the identification of a relationship using multiplication and the prediction of the value of one quantity based on the value of another
  7. 16. a comparison of the relative sizes of two quantities
  8. 18. a line segment that has direction
  9. 22. triangles that have corresponding angles that are congruent and corresponding side lengths that are in proportion
Down
  1. 1. a pair of sides that have the same relative position in two congruent or similar figures
  2. 2. a point that marks the beginning or the end of a ray or line segment
  3. 3. a geometric shape before a transformation occurs
  4. 4. a one-to-one mapping of all the points of one figure to another figure in a plane
  5. 5. for two positive numbers, a and b, the positive number x that satisfies a/x = x/b
  6. 8. a point on a line segment that is equidistant from the two endpoints
  7. 12. a pair of angles that have the same relative position in two congruent or similar figures
  8. 14. two or more polygons in which corresponding angles are congruent and the lengths of corresponding sides are in proportion
  9. 15. a segment that connects the midpoints of two sides of a triangle
  10. 17. in a polygon, a perpendicular segment from a vertex to the opposite side or to the line containing the opposite side
  11. 18. in a plane, a transformation in which each point on the image lies on the same line as the corresponding point on the pre-image and a fixed point called the center of dilation, and results in an enlargement or reduction of a figure
  12. 19. the side of a right triangle that is opposite the right angle and is always the longest side of the triangle
  13. 20. the result of a transformation of a geometric shape
  14. 21. in a right triangle, either of the two sides forming the right angle