Respostas

2014-08-19T13:19:08-03:00
Teorema de Tales
Fica
40/100=32/x = 40x=100*32 = x = 100*32/40 = 10*8 = 80
X=80

4,5/5,4=3/x = 4,5x=5,4*3
x=5,4*3/4,5 = x = 3,6
x=3,6