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Help Me please

 Apr 4, 2018
 #1
avatar+101870 
+1

If A  =  60°.....B  =  30°

 

This is a  30-60-90  right triangle.....the side across from the 30°  is   1/√3  as long as the side opposite the  60° angle

 

So

 

b  = 15 * 1/√3  ≈   8.66

 

 

cool cool cool

 Apr 4, 2018

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