I have the following problem. I have tried searching through some previous articles but most were written problems without visuals and I could not follow to know if this has been asked before (I'm sure it has).

Any help would be greatly appreciated!

I need to solve the value of y in the following diagram:

Image for reference (embedding isn't available for me...)

  • $\begingroup$ I've tried reading through the Wikipedia article on Solutions of triangles and also googling of solutions but a lot seem to be complex with mathematical notation. I am not that well educated at trigonometry. I am trying to work out this point for a visualization I am making rather than for study or exams. $\endgroup$ – David Aug 22 '16 at 7:26

Received a solution from another forum.

Here it is for posterity:


  • 1
    $\begingroup$ Right corner point coordinates (400,400). $\endgroup$ – Narasimham Aug 22 '16 at 8:30
  • $\begingroup$ Yes, the right corner point is incorrectly labelled. Thanks for pointing it out! $\endgroup$ – David Aug 22 '16 at 23:11

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