Question

valor de z, sabendo que y = 12, x = 20 e w = 15.

Answer 1

Usando a regra de Tales:

$\frac{y}{x} = \frac{w}{z} => \frac{12}{20} = \frac{15}{w} => 12w = 20.15 => 12w = 300 => w = 300/12 = 50$

∴ z = 50