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Mathematical question on SW's geometric solution

Question asked by Bevin Pettitt on Feb 18, 2014
Latest reply on Feb 20, 2014 by Bevin Pettitt

I had what I thought was a straightforward geometry problem, but found I could not solve it mathematically.because of too many unknowns.


I then sketched it in SW Part, and SW solved it.  I would like to know how, which I guess is a question for mathematicians or the SW software designers.


The following image shows the SW sketch with the three known dimensions.  


SW geom quest.JPG


As you can see, the sketch is fully defined. 


How does SW do this , or is there a simple mathematical solution that I have missed?




PS.  I am retired but like to keep my maths brain active, and usually will attempt to find a solution before resorting to SW.