imterribleatmath99 imterribleatmath99
  • 16-05-2017
  • Mathematics
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help please (will give brainliest)

help please will give brainliest class=

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Аноним Аноним
  • 16-05-2017
i belive you would subtract 18 from 90????
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kemanci
kemanci kemanci
  • 16-05-2017
We know that sin(a)=80/82.
sin(a)=0.9756
sin^-1(0.9756)=a
a=77.3
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