What is the length of the diagonal of the rectangle?

Answer:
the diagonal of the rectangle is 5
Step-by-step explanation:
[tex]c=\sqrt{a^{2} +b^{2} }[/tex]
[tex]c=\sqrt{3^{2} +4^{2} }[/tex]
[tex]c=\sqrt{9+16}[/tex]
[tex]c=\sqrt{25}[/tex]
[tex]c=5[/tex]