Cross word puzzle

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Across
  1. 3. difference between the highest and lowest observations(5)
  2. 5. additive identity(4)
  3. 6. name of two lines having a point in common(17)
  4. 9. value of the variable for which the equation is satisfied(8)
  5. 10. a fraction is obtained by inverting it upside down(10)
Down
  1. 1. name of fractions with denominator 100(11)
  2. 2. opposite side to the right angle of a right angle triangle(10)
  3. 4. the value which lies in the middle of the data(6)
  4. 7. name of triangle which has all equal length sides(11)
  5. 8. name of triangle which has two equal length sides(9)