Question

Calcule o valor de x/14 9/12
Teorema de Tales.

Answer 1

Teorema de Tales.

x/14 = 9/12

x . 12 = 14 . 9

12x = 126

x = 126/12

x = 10,5

Answer 2

OI !!!

$\frac{x}{14} = \frac{9}{12}$==>multiplique em cruz

$12.x = 14.9$

$12x = 126$

$x = \frac{126}{12}$÷6

$x=\frac{21}{2}$

Espero ter ajudado