Question

(Ajuda) teorema de tales 2/5=x/4

Answer 1

2/5=x/4
5x= 2.4
5x= 8
x= 8/5
x= 1,6

Answer 2

$\frac{2}{5} = \frac{x}{4}$

2*4=5x
8=5x
x=$\frac{8}{5}$

x= 1,6