December 10th, 2016, 04:48 PM  #1 
Newbie Joined: Dec 2016 From: United States Posts: 2 Thanks: 0  Solving a triangle
For the problem in the link below, I need to find the exact value of angle "A" so I used Pythagorean Theorem to get $\displaystyle \frac{12}{\sqrt{160}}$ How is the answer $\displaystyle \frac{\sqrt{10}}{3}$? https://www.flickr.com/photos/145166...postedpublic/ Last edited by haleywyn; December 10th, 2016 at 04:54 PM. 
December 10th, 2016, 04:56 PM  #2  
Math Team Joined: May 2013 From: The Astral plane Posts: 1,443 Thanks: 531 Math Focus: Wibbly wobbly timeywimey stuff.  Quote:
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