jess193
jess193
22-05-2017
Mathematics
contestada
I need help with this problem
Respuesta :
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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