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#geteinsteined
 
What do you think? Give us your opinion. Anonymous comments allowed.
#1

anonymous (07/14/2014) [+] (2 replies)
im so f ucking stupid i forgot how to do this basic math can someone explain how that equils 3
#5 to #1

anonymous (07/14/2014) []
Sure bro... In a triangle where you have one 90° angle the following relation holds true: The square of the side that is opposite to the 90° angle is equal to the squares of the other two sides combined. In this case the side opposite to the 90° angle is 5, the other two sides are 4 and x. So:
5^2 = 4^2 + x^2
25 = 16 + x^2
x^2 = 2516 = 9
> x = 3 or x = 3, but negative lengths don't make sense here, so x = 3.
5^2 = 4^2 + x^2
25 = 16 + x^2
x^2 = 2516 = 9
> x = 3 or x = 3, but negative lengths don't make sense here, so x = 3.