Me plz on this pre algebra question

[tex]Me plz on this pre algebra question[/tex]

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Me plz on this pre algebra question

[tex]Me plz on this pre algebra question[/tex]

X=side legnth of that right triangle

x=hypotonuse

remember

if legs=a and b

and hypotonuse=c (c=x)

c^2=b^2+a^2

a=2

b=4

c=?

2^2+4^2=c^2

4+16=c^2

20=c^2

square root obth sides

4.47

round

x=4.5

answer is B

Where are the functions?

Google it that might work

[tex]Abc is similar to lmn. also side ab measures 5 cm , side ac measures 7 cm, and side lm measures 35 c[/tex]