amybustos24 amybustos24
  • 20-11-2018
  • Mathematics
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Tom304 Tom304
  • 20-11-2018
[tex] \cos( s ) = \frac{12}{20} [/tex]
[tex]s = { \cos}^{ - 1} \frac{12}{20} [/tex]
s=53.1

So the answer is D
Hope I can help u
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