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Need help in solving 2 questions of Discrete Mathematics

  1. Feb 9, 2012 #1
    Q 1. On a circular island we build n straight dams going from
    Sea to sea, so the ever two intersect but no three go through
    the same point. Use Euler’s Formula to determine how many

    Q 2. Into how many parts do two quadrilaterals divide the plane, If
    (a) They are convex
    (b) They are not necessarily convex

    Need help very urgently in solving the above two questions....

    Thanks in advance

    Please help as soon as possible.........
  2. jcsd
  3. Feb 9, 2012 #2

    Ray Vickson

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    Science Advisor
    Homework Helper

    The Forum rules require you to show your solution attempts first and to ask for help on specific points where you are stuck.

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