Question 980987
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A=B
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{{{A^2+B^2=C^2}}} Substitute for B
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{{{A^2+A^2=(20in)^2}}}
{{{2A^2=400in^2}}}
{{{A^2=200in^2}}}
{{{A=sqrt(200in^2)}}}
{{{A=14.14in}}}
ANSWER: Each leg is 14.14 inches.