Question: math question View Single Post
 ebaines Posts: 10,041, Reputation: 5534 Expert #4 Mar 23, 2012, 09:52 AM
Not quite - you forgot to take the square root as the last step:

$
x^2 + 600^2 = 650^2\\
x^2 = 650^2 - 600^2 = 422500-360000 = 62500\\
x = \sqrt{62500} = 250
$