+0  
 
0
141
1
avatar+163 

Thank you!

Gwendolynkristine  Jun 5, 2017
Sort: 

1+0 Answers

 #1
avatar+5576 
+2

cos θ = adjacent / hypotenuse

 

cos θ = road / stream

 

cos θ = 20 / 27                 Take the inverse cosine of both sides.

 

θ = arccos (20 / 27)          Putting this into a calculator gives us....

 

θ ≈ 42º

hectictar  Jun 5, 2017

11 Online Users

avatar
avatar
We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details