Question

Nas figuras abaixo, a//b//c. Calcule a medidas de x.

Answer 1

Resposta:

a)

$\frac{x}{9} = \frac{14}{12} > 12x = 126 > x = \frac{126}{12} > x = 10.5$

b)

$\frac{x}{9} = \frac{8}{12} > 12x = 72 > x = \frac{72}{12 } > x = 6$