A rectangular box is $6$ feet long and $3$ feet wide. A board $6$ inches wide is fitted into the bottom of the box in this position.

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Find the length of the board.

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    $\begingroup$ Welcome to MSE. Your question is phrased as an isolated problem, without any further information or context. This does not match many users' quality standards, so it may attract downvotes, or be closed. To prevent that, please edit the question. This will help you recognize and resolve the issues. Concretely: please provide context, and include your work and thoughts on the problem. These changes can help in formulating more appropriate answers. $\endgroup$ Jun 23 at 7:43
  • $\begingroup$ Try and see how Pythagoras might help.... $\endgroup$ Jun 23 at 8:17
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    $\begingroup$ Please check this answer. You may find the answer to your question there. $\endgroup$
    – YNK
    Jun 23 at 8:33
  • $\begingroup$ Much better to write out the question here than to ask users to chase it offsite. $\endgroup$ Jun 23 at 9:32
  • $\begingroup$ $lc+6''s=6'$, $ls+6''c=3'$, $c^2+s^2=1$, $c,s>0$ $\endgroup$ Jun 23 at 13:12


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