Question

(FEI/SP) Na figura abaixo, x+y+z vale

Answer 1

X+Y+Z = (AxB)/2 - (A/4xB/4)/2

X+Y+Z = (AxB)/2 - (AB/16)x1/2

X+Y+Z = (AxB)/2 - AB/32

X+Y+Z = 16AB/32 - AB/32

X+Y+Z = 15AB/32