Answer :
Using pythagorean theorem:
[tex]\begin{gathered} d^2=w^2+2w^2^{} \\ d^2=3w^2 \\ d=\sqrt[]{3w^2} \\ d=\sqrt[]{3}w \end{gathered}[/tex]
Using pythagorean theorem:
[tex]\begin{gathered} d^2=w^2+2w^2^{} \\ d^2=3w^2 \\ d=\sqrt[]{3w^2} \\ d=\sqrt[]{3}w \end{gathered}[/tex]