Respuesta :

The solution to the problem is as follows:

sin(39) = JL/KL
 
sin(39) = JL/12
 
12*sin(39) = JL
 
JL = 12*sin(39)
 
JL = 12*0.6293
 
JL = 7.5516
 
JL = 7.6 (rounded to the nearest tenth)


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