SOLUTION: Right triangle: side a =x, side b = 3x, hyp. = 19 what is x? Thanks, Dave

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Question 271858: Right triangle: side a =x, side b = 3x, hyp. = 19 what is x?
Thanks,
Dave
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
Pythagoras says ___ x^2 + (3x)^2 = 19^2

10x^2 = 361

x = sqrt(361 / 10)