Math

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Across
  1. 2. the speed of the quantity change
  2. 10. the angle formed in a triangle by two adjacent sides
  3. 12. is a triangle with one obtuse angle and two acute angles
  4. 14. an angle in standard position has its vertex at the origin and its in-tail side on the position x-axis of a cortesian plane
  5. 15. ratio of the length of side opposite The angel to l nothing of the hypotenuse
  6. 16. the average number of a set by adding all up and dividing the total
Down
  1. 1. mathematics term that relates the length of the side of triangle to cosine of a angles
  2. 3. the angle measured upwards from a horizontal line to the line of sight of an observer viewing an object that is higher than
  3. 4. any triangle that does not contains right angle
  4. 5. part of math that starry point ( vertex) contend by line ( edges)
  5. 6. the angle formed between a horizontal line and the line of sight to an object that is below the horizontal line
  6. 7. a unit for measuring angles
  7. 8. line that touches a curve at one point without crossing it
  8. 9. the middle number when arranged from smallest to largest
  9. 11. a number that appears most frequently in a data a ( trendy) number
  10. 13. an acute triangle is a triangle with three acute angles (less than 90)