christina72176
christina72176 christina72176
  • 11-06-2019
  • Mathematics
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Need help with this math question

Need help with this math question class=

Respuesta :

Аноним Аноним
  • 11-06-2019

Answer:

83.0 degrees to the nearest tenth.

Step-by-step explanation:

17^2 = 8^2 + 16^2 - 2*8*16 cos X

cos X =  (17^2 - 8^2 - 16^2)  / - 2*8* 16

cos X =  0.12109

X = 83.04 degrees

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