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1, What is the measure of P? Round to the nearest degree.

2. What is the value of d? Round to the nearest tenth.

Guest Apr 15, 2017
 #1
avatar+87293 
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Using the Law of Sines, we have

 

sin P / 47.6  =  sin 73 / 68     multiply both sides by 47.6

 

sin P  = ( 47.6 sin (73) / 68 )

 

Take the sine inverse to find  P

 

arcsin  ( 47.6 sin (73) / 68 )  = P  ≈   42.02°

 

 

 

Using the Law of Cosines

 

d =  sqrt [ 21^2 + 27^2 - 2(21)(27)cos(25) ]  ≈  11.93

 

 

cool cool cool

CPhill  Apr 15, 2017

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