The side of the second leg would be approximately blank inches long?

Given hypoteneus of triangle is 24 inches and one leg 12 inches.
Length of second leg,
[tex]\begin{gathered} 24^2-12^2=L^2 \\ L^2=432 \\ L\approx20.78 \end{gathered}[/tex]Hence, length of second leg is nearly 20.78