the hypotenuse always has a larger measure
so, should be 53
but we can check with pythagoras
[tex]a^2+b^2=h^2[/tex]where a=28 and b=45 and h should be 45
[tex]\begin{gathered} 28^2+45^2=h^2 \\ h=\sqrt[]{28^2+45^2} \\ h=\sqrt[]{2809} \\ h=53 \end{gathered}[/tex]so the hypotenuse is 53