I need to fill in the code at the comment in solve(). I know I will get there, it only requires the sine rule and some pythagoras, but it was a (long) while since I did any of this. I'd appreciate some help.

Given a unit square and the positions of A, B, C & D, I need to calculate the X & Y of P. 

  +-----------------------------------------------------------------+
  |                                                                 |
  |                                                                 |
A x                                                                 |
  |  x                                                              |
  |     x                                                           |
  |        x                                                        |
  |           x                                                     o 
+C
  |              x                                               o  |
  |                 x                                         o     |
  |                    x                                   o        |
  |                       x                             o           |
  |                          x                       o              |
  |                             x                 o                 |
  |                                x           o                    |
  |                                   x     o                       |
Y .......................................* P                        |
  |                                   o  .  x                       |
  |                                o     .     x                    |
  |                             o        .        x                 |
  |                          o           .           x              |
  |                       o              .              x           |
  |                    o                 .                 x        |
  |                 o                    .                    x     |
  |              o                       .                       x  |
  |           o                          .                          x 
+D
  |        o                             .                          |
  |     o                                .                          |
  |  o                                   .                          |
B o                                      .                          |
  |                                      .                          |
  |                                      .                          |
  +--------------------------------------.--------------------------+
                                         X
sub solve{
    my( $a, $b, $c, $d ) = @_;
    my( $x, $y );

    # Some trig :)
    
    return( $x, $y );
}

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TIA, BrowserUk.

Examine what is said, not who speaks.
"Efficiency is intelligent laziness." -David Dunham
"Think for yourself!" - Abigail
Timing (and a little luck) are everything!

In reply to A little schoolboy math (but my schooldays were a long time ago). by BrowserUk

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