Question

calcule o segmento proporcional. AB=3 cm, BC=6cm, CD=6 e DE= x

a) 12cm
b). 11cm
c) 10cm
d) 9cm​

Answer 1

Alternativa correta é a) 12 cm.

$\frac{6}{3} = \frac{x}{3} \: \: : (2) \\ 2 = \frac{x}{6} \\ 6 \: . \: 2 = x \\ 12 = x \\ \boxed{x = 12 \: cm}$

Att. NLE Top Shotta