annashirley annashirley
  • 24-07-2017
  • Mathematics
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PLEASE HELP WILL GIVE TWENTY POINTS Which is the best approximation for the measure of angle ABC?

PLEASE HELP WILL GIVE TWENTY POINTS Which is the best approximation for the measure of angle ABC class=
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Banabanana
Banabanana Banabanana
  • 24-07-2017
cos(x) = BC/AB = 10.5/20 = 0.525  ⇒ x = 58.3°
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