Respuesta :

One angle of parallelogram = 37.1 + 49.2 = 86.3 
Other angle on same line = 180 - 86.3 = 93.70

Applying the Sine Rule to triangle containing 93.7 degrees:-
50 / sin 93.7 = x / sin 49.2     where x is the longest side

x = 37.93 ins to nearest hundredth   (answer)

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