Devan-application 1 puzzle

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Across
  1. 2. cah
  2. 3. a _____ logarithm is a logarithm that uses base 10
  3. 5. toa
  4. 6. point a to b connected
  5. 7. soh
  6. 9. 2 to the power of 2
  7. 10. 3.14
  8. 12. the point that separates the numbers that are less than one
Down
  1. 1. two lines intersecting at 90 degrees
  2. 2. the middle point of a circle
  3. 4. the opposite of divide
  4. 8. the opposite of multiplication
  5. 11. the incline or decline that a line is going