Question

given that
x : 8 = 2 : x
calculate the positive value of x

Answer 1

cross multiplication--

x² = 16

x = √16 = 4 Answer!

Answer 2

Step-by-step explanation:

$\frac{x}{8} = \frac{2}{x} \\ = > {x}^{2} = 16 \\ = > x = \sqrt{16} \\ = > x = 4$