Mathematics

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Across
  1. 1. is the distance of a point from the y axis.
  2. 5. is the distance of a point from the x axis.
  3. 6. an element, feature, or factor that is liable to vary or change.
  4. 7. What is the probability of the sun rising from west?
  5. 9. which number system has the base as 2?
Down
  1. 2. The first idea of 'sine' was by ?
  2. 3. how many measures of central tendency are there?
  3. 4. which figure has the total surface area of 3πr^2?
  4. 8. It has 8 vertices.