Respostas

2014-08-15T10:54:28-03:00
A.b= 192
a/b= 3/4 -> a=3b/4
3b^2/4= 192
b^2= raiz quadrada de (192.4 /2)
b^2= raiz quadrada de 256
b= 16
Se a.b=192
a= 192/16 = 12
2014-08-15T10:55:44-03:00

3x.4x=192

12x²=192

x²=192/12

x=raiz quadrada de16=4

Logo:

3.4=12

4.4=16

16.12=192