MATHEMATICS CROSS WORD PUZZLE

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Across
  1. 1. line with no slope
  2. 2. visual display information
  3. 3. study of shapes and sizes
  4. 5. same distance
  5. 7. one of the reference line in coordinta system
  6. 8. two rays with the same endpoint vertex
  7. 9. reduction made from regular price
Down
  1. 1. longest side in a right triangle
  2. 4. action of changing unit
  3. 6. mathematical expression that seperated by equal sign