geometry crossword

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Across
  1. 6. an angle greater than 90 but less than 180
  2. 8. a line with an end point
  3. 10. 2 lines that will never touch at any given point on a graph
  4. 12. a line that is going straight across from left to right
  5. 13. y=mx+b
  6. 15. 2 figures with the same shape and size all around
Down
  1. 1. 2 line that will be set to x+y=c
  2. 2. an angle greater then 0 but less than 90
  3. 3. an 4 sided polygon
  4. 4. the rate of change in a linear equation
  5. 5. the space inside a 2-d object
  6. 7. to reflect,rotate, or dilate a shape on a graph
  7. 9. the corner of an shape
  8. 11. a line this is a mid point between a vertical and horizontal line
  9. 14. A line that is standing straight upright