SOLUTION: Help! I can work all of the other problems just fine, but this one is really throwing me off... Given a right triangle... leg a is unknown leg b is "x" and the hypotenuse is

Question 179621: Help! I can work all of the other problems just fine, but this one is really throwing me off...
Given a right triangle...
leg a is unknown
leg b is "x"
and the hypotenuse is "2x" ...
I am trying to find the value of leg a and no matter what, I can't get it.
The teacher provides us with answers and she arrives at the answer of "square root of 3" ... I'm so confused. I don't know how she arrived at her answer. Any help will be appreciated! I'm going crazy trying and trying, erasing over and over again...
Answer by Mathtut(3670) (Show Source): You can put this solution on YOUR website!
let leg a be a

:
so the answer would be
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