aylinchaidez134 aylinchaidez134
  • 03-02-2021
  • Mathematics
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Find the value of x. Round to the nearest tenth.! PLEASE HELPP I’ve been stuck on it for HOURS!

Find the value of x Round to the nearest tenth PLEASE HELPP Ive been stuck on it for HOURS class=

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ggsj ggsj
  • 03-02-2021

Answer

63.2 degrees

Step-by-step explanation:

Using law of cosines:  19^2=8^2+14^2-2(8)(14) cos (x)

361=64+196-224 cos(x)

361=260-224cos(x)

101=224cos(x)

divide both sides by 224, which gets you (rounded to 4th decimal place) 0.4509. do inverse cos which gets you 63.2

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