Question 44747
Well, you are assuming that the x represents the hypotenuse...if it does you are correct and you get
x^2 = 164
x = sqrt(164) = 2*sqrt(41)
But if the x represents a leg, we get
x^2 + 8^2 = 10^2
x^2 + 64 = 100
x^2 = 36
x = 6