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  1. Demento1

    2012 Year 9 &10 Mathematics Marathon

    My interpretation: Let 'x' be equal side of the isosceles triangle. Let 'x+1' be the base of the triangle.
  2. Demento1

    2012 Year 9 &10 Mathematics Marathon

    lol it's a wonderful thing.
  3. Demento1

    2012 Year 9 &10 Mathematics Marathon

    Interpreted: A semi-circle has the area equal to the perimeter. Prove that the radius of this circle is equal to the expression below. Let 'r' be radius and form an equation.
  4. Demento1

    Demento's Year 10 maths practice paper thread

    Don't use any sharing sites unfortunately. I still work with emails - ancient.
  5. Demento1

    Demento's Year 10 maths practice paper thread

    Don't worry. Spiral will make youtube videos for maths and get over a million subscribers.
  7. Demento1

    Demento's Year 10 maths practice paper thread

    PM me your email. Also, I used one of your circle geo questions that you showed me a while back - I liked the method to solve it.
  8. Demento1

    Demento's Year 10 maths practice paper thread

    I should make a fawun friendly exam. :)
  9. Demento1

    Demento's Year 10 maths practice paper thread

    Yes.
  10. Demento1

    Demento's Year 10 maths practice paper thread

    That's alright. What I did was, draw up a neat table.
  11. Demento1

    Demento's Year 10 maths practice paper thread

    I know what you're saying, but I would hesitate to give you 3 marks. Unless of course you did what I did in my solutions as well. Did you only write a paragraph?
  13. Demento1

    Demento's Year 10 maths practice paper thread

    You're gonna love 5a. It was my favourite question back when I was 10 years old.
  14. Demento1

    Demento's Year 10 maths practice paper thread

    Yeah, why?
  15. Demento1

    Years 9 & 10 2012 Chit Chat Thread

    Wish you all the best. I am actually not that smart. I've met some insane people in my school - sometimes you just have to accept that.
  16. Demento1

    Demento's Year 10 maths practice paper thread

    Thank you. :)
  17. Demento1

    Years 9 & 10 2012 Chit Chat Thread

    He'll introduce himself if he wants. I won't say anything about it unfortunately.
  19. Demento1

    Demento's Year 10 maths practice paper thread

    I cannot stress this enough. READ THE QUESTION! Be creative and do it if you think you have a method. :)
  20. Demento1

    Years 9 & 10 2012 Chit Chat Thread

    Appreciate it, although you guys might like to know that I just met a 2014'er on BOS who got a prize this year for the AMC. if anything, we should be congratulating him. :)
  21. Demento1

    2012 Year 9 &10 Mathematics Marathon

    I'll bet it's something to do with shapes or geometry?
  22. Demento1

    Demento's Year 10 maths practice paper thread

    Re: 2012 Year 9 &10 Mathematics Marathon Umm, I don't recall the Q asking for this.
  23. Demento1

    Years 9 & 10 2012 Chit Chat Thread

    Ahh, 86 points - HD.
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