math crossword puzzle

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Across
  1. 2. if two lines intersect eachother,then the vertical-
  2. 4. the point from which the x-axis and y-axis inters-
  3. 5. the distance of the point from the y-axis is ca-
  4. 9. the graph of every linear equation is a - line
  5. 10. what is the name of each part that is formed b-
Down
  1. 1. what is the number on the origin?
  2. 3. - opposite to equal sides of a triangle are equal
  3. 6. two figures are -, if they are of the same -
  4. 7. each angle of an equilateral triangle is of -
  5. 8. if a side of a triangle is produced, the - angl-