jess193 jess193
  • 22-05-2017
  • Mathematics
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I need help with this problem

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nicholas2021265
nicholas2021265 nicholas2021265
  • 22-05-2017
use the law of sine
note that:

[tex] \frac{sin(\alpha)}{a}= \frac{sin(\beta)}{b}[/tex]

sin(42)/4.8=sin(80)/PQ
PQ=4.8sin(80)/sin(42)
PQ≈7.1
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