Ishaana's Math Crossword

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Across
  1. 3. Two figures that are completely identical, in shape and size.
  2. 4. An expression with more than three terms.
  3. 8. You have 3 coins. What is the probability of getting two tails in total, given that the first coin has to be a head if all the coins are only flipped once?
  4. 9. Point H on level ground is 28 metres away from the bottom of a pine tree QP. Given that H makes a 54 degree angle with the horizontal, find the height of the tree.
  5. 10. Find the 10th term of the sequence.
  6. 11. In triangle CDE, Angle D = 19.3, Q lies on DE such that the length of QD is double the length of QE assuming that the vertex is exactly in line with Q. Find angle E.
  7. 12. Find x if there are two horizontal parallel lines with a transversal cutting through them, and the angle to the top right of the transversal is x, and the angle to the right bottom is y, and the angle vertically opposite (to the left on the row directly above) to y is 135 degrees.
  8. 13. Factorize: 12x² - x - 35
  9. 15. Find y
  10. 16. 184236 x 103477
  11. 20. Find the nth term of the sequence.
  12. 21. How many edges does an octagon have?
  13. 22. 0 3 8 15 24... Find the nth term of the sequence.
  14. 23. 219 students like cake and 349 like ice cream from a total of 500 students, while 8 like neither. How many like both?
  15. 24. How many possibilities of making a cube net exist?
  16. 26. How many edges does a triangular pyramid have?
  17. 28. You have 4 dice. What is the probability of getting an even number given that the number is more than or equal to 3?
  18. 29. 7 People like only A while 9 like only B and two like neither out of 25 people. How many like A?
  19. 31. Expand: 7g (g - 8f + 3y)
  20. 33. How many triangles would there be in the net of a triangular prism?
Down
  1. 1. A line segment that joins two non-consecutive points in a polygon
  2. 2. A twelve sided two dimensional polygon.
  3. 4. LINES Which two things are always together but never meet?
  4. 5. Set A of all the prime numbers more than 50 but less than 70.
  5. 6. 1349610 x 2034921
  6. 7. 0 27 512 3375 13824... find the next number.
  7. 14. Factorize: a²-11a+10
  8. 16. 391264 x 31902
  9. 17. You have 4 dice. What is the probability of getting a 4 on all 4 dice when rolled at once?
  10. 18. How many triangles can a decagon be divided into?
  11. 19. 1256²⁸
  12. 25. Find the twenty-sixth term of the sequence.
  13. 27. 4 16 36 64 100... find the nth term
  14. 30. a³+75a²c-15ac²+c³-u² Change the subject of the formula to t. c=5a+(t+u²)^⅓
  15. 32. How many like both?