Geometry Unit 2 - Important Terms (1-5)

Edit Answers
1234567891011121314
Across
  1. 3. a line which is rotated 180 degrees about a point not on the line will always result in another line that is ______ to the original
  2. 5. a rigid motion that simply slides an object without rotating or reflecting it
  3. 7. the angle bisector of the ______ angle will always be the perpendicular bisector of the base of the isosceles triangle
  4. 9. triangles with at least two sides of equal length (called legs)
  5. 11. a line which is rotated 180 degrees about a point ON the line will simply produce the same line
  6. 13. rotations preserve the _____ between points, and hence the length of line segments
  7. 14. only translations map lines to _____ lines
Down
  1. 1. the line created by reflecting a point across another line will always hit the original line at its ______
  2. 2. designated symbolically as R(x,y)
  3. 4. a function (rule) that for every point, P, in the plane as its input gives another, single point in the place, F(P), as its output
  4. 6. rotations preserve _____ between lines, rays, and segments
  5. 8. when connecting a point to its reflection across a line, the line of connection will always be _____ to the line of reflection
  6. 10. designated symbolically as r(x°)
  7. 12. in an isosceles triangle the _____ angles are always congruent