mesha14 mesha14
  • 17-10-2017
  • Mathematics
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What is the best approximation for the measure of angle ABC?

What is the best approximation for the measure of angle ABC class=

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choixongdong
choixongdong choixongdong
  • 17-10-2017
cos(x) = 10.5 / 20
cos(x) = 0.525

answer
C.
x = 58.3" 
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