<PRE><B>Question 1202261</B>
The beam is [ivoted about M
MP will be length of beam
In triangle MPB 
sin (40) = 8/MP

MP = 8/sin (40)

12.445 ft

The cables are 2ft above 12.445 - 14.445 ft ( See fig)

The beam will pass below the cables safely

 *[illustration beam_2.png].





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