heneywhitenton heneywhitenton
  • 02-08-2018
  • Mathematics
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Find the value of b plz

Find the value of b plz class=

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PunIntended
PunIntended PunIntended
  • 02-08-2018

We use sine here. Sin (45) = opposite/hypotenuse = 12/b

Sin (45) = sqrt (2)/2

So, sqrt(2)/2 = 12/b

Cross multiply:

24 = sqrt(2) * b

Divide both sides by sqrt(2):

b = 24/sqrt(2) = 12 * sqrt(2).

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