Respuesta :

                                x 
  (15) sin 30.5   = ------  (15)
                               15

(15) sin 30.5 = x 
Plug this part into a calculator.

7.61 = x 


Area of a triangle: 1/2bh 

1/2 (7.61)(13)
3.805(13)
49.469

49.47 un² is your final answer since you are supposed to round to the tenths place. I hope this helps.






                       

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