Question

Calcular o valor de X nas feixe de paralelas ( a / / b / / c )

_____/_________\_____a
X / \ 3
____/___________\____b
6 / \9
___/______________\__c
/ \

B)
_____/_________\_______a
3 / \ x
____/___________\______b
5 / \ 12
___/_____________\_____c
/ \

Answer 1

Ola Maicon

a)

x/3 = 6/9

9x = 18

x = 18/9 = 2 

b)

x/3 = 12/5

5x = 36

x = 36/5 

Answer 2

A) x/6= 3/9
    9x= 18
    x= 18/9 
    x= 2
B) 3/5= x/12 
     5x= 36
     x= 36/5