Respostas

2014-04-27T15:10:27-03:00
Pelo teorema de Tales

40-0/100-0=A-30/190-30
40/100=A-30/160

SIMPLIFICANDO:

1/4=A-30/160
4A-120=160
4A=160+120
4A=280
A=280/4
A=70°

Então, 70°A CORRESPONDEM À 40°C
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