Crossword for 10th

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Across
  1. 4. any two sides of the triangle are of equal length
  2. 7. one of the angles is greater than 90 degrees
  3. 9. an event that has no chance of occurring is
  4. 12. probability a trial of probability is when the experiment is performed once
  5. 13. all the three sides of the triangle are of different measure
  6. 14. all the angles are smaller than 90 degrees
  7. 15. any one of the three angles is equal to 90 degrees
  8. 16. a polynomial of degree two is called
Down
  1. 1. is a result of a random experiment
  2. 2. an event that has a 100% probability of occurrence is
  3. 3. an event having only one outcome of the experiment is
  4. 5. all the three sides of a triangle are equal and each angle measures 60 degrees
  5. 6. a polynomial of degree three is called
  6. 7. the sum of the probabilities of all the elementary events of an experiment is
  7. 8. is a set of outcomes
  8. 10. the branch of mathematics that measures the uncertainty of the occurrence of an event using numbers is
  9. 11. a polynomial whose degree is one is called