Simple Triangle/rectangle problem

  1. Oct 14, 2011 #1
    hi people,

    got a simple question here..
    assuming it is simple it seems so... but has been a long time since geometry, so looking for help :)

    assuming only the length of a diagonal of a rectangle is known (say 20"), is it possible to find the length & breadth..?

    stating to be a rectangle, as there is no clarity if this is a square or not...

    any help will be appreciated!
     
  2. jcsd
  3. Oct 14, 2011 #2

    mathwonk

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    does the diagonal length of a piece of paper determine the exact size of the paper?

    are two right triangles congruent if they have the same diagonal? I.e. does one side and one angle determine a triangle?

    do you know pythagoras theorem?
     
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