Question

A- sabendo que a//b//c, calcule o valor de x:​

Answer 1

Vamos là.

Teorema de Tales:

a)

4/(x - 2) = 5/(x + 2)

4x + 8 = 5x - 10

5x - 4x = 18

x = 18

b)

30x = 10*18

30x = 180

x = 180/30 = 6