# Find the length of a leg of an isosceles right triangle whose hypotenuse has length 12

Find the length of a leg of an isosceles right triangle whose hypotenuse has length 12
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Roosevelt Houghton
The legs are the same length.
${x}^{2}+{y}^{2}={12}^{2}$
x = y
$2{x}^{2}=144$
${x}^{2}=72$
$x=\sqrt{72}$
x = 8.49