Question

Ache o valor de X:☝☝☝☝☝☝☝☝☝☝☝

Answer 1

(Multiplica Cruzado)

13_______10
26______X
13x=26.10
13x=260
x=260÷13
x=20

Answer 2

Oie, td bem?

Teorema de Tales (Cruzinha das Retas transversais nas paralelas):

13        10

---   = -------

26         x

13x = 260

x = 260/13

x = 20

R:20.

Okay?