Math

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Across
  1. 3. 3^1/2 * 4^1/2
  2. 6. The tangent to a circle is ______________ to the radius through the point of contact
  3. 7. Area of __________ of a circle = Area of the corresponding sector – Area of the corresponding triangle.
  4. 8. sin (90° – ɵ)=
  5. 9. h = _____________ height of the frustum
  6. 11. ɵ represents
  7. 12. with the assumption that the frequency of a class is centred at its mid-point, called its __________________.
  8. 15. 0.6666666666666666.... reccuring and non-terminating
  9. 16. SSS and AAA are similarity____________________
  10. 18. The probability of an event lies between __ and 1
Down
  1. 1. Aryabhatta called sine
  2. 2. list of numbers in which each term is obtained by adding a fixed number to the preceding term except the first term.
  3. 4. The cumulative frequency of a class is the frequency obtained by adding the frequencies of all the classes ______________ the given class.
  4. 5. a proven statement used for proving another statement.
  5. 10. =Number of outcomes favourable / Number of all possible outcomes of the experiment
  6. 13. The probability of a sure event
  7. 14. the values of the trigonometric ratios of an angle do not vary with the lengths of the sides of the triangle, if the angle remains the__________________
  8. 17. The median of grouped data can be obtained graphically as the x-coordinate of the point of intersection of the two _______ for this data.