Answer:
x = 4.47
Step-by-step explanation:
Formula for hypotenuse:
[tex]x =\sqrt{a^2+b^2}[/tex]
[tex]x=\sqrt{4^2+2^2}[/tex]
[tex]x=\sqrt{16+4}[/tex]
[tex]x=\sqrt{20}[/tex]
[tex]x=4.47[/tex]
