Answer:
[tex]\sqrt{20\\}[/tex]
Step-by-step explanation:
a^2 +b^2=c^2
c is the hypotenuse
assuming that 2 is a and 4 is b, then it would be:
2^2 + 4^2= c^2
4+16=c^2
20=c^2
take the square root of both sides
[tex]\sqrt{20}=\sqrt{c^{2} }[/tex]
c=[tex]\sqrt{20}[/tex]
hope this helped!! <333
