Question

Na figura temos que a//b//c.Considerando de AB=21CM,AC=49CM eDE=27.Qual ea medida de DF?

Answer 1

21/49=27/x
21x=1323
x=1323/21
x=63 cm
espero q esteja certo....

Answer 2

Resposta:

21/49  =  27/x

3/7   = 27/x

3x  = 27 . 7

x  = (27 . 7/3)

9 . 7

x= 63cm

------tks!!!-------