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x=2a
na dole powstaje trójkąt 30, 60, 90
a√3=6 ze wzoru na boki trójkąta 30, 60 ,90
a=6/√3 = 2√3
x= 2*2√3 = 4√3
Pole 12*x
P= 12*4√3 = 48√3
Odp: Pole wynosi 48√3 j²