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v=Pp×H
H=?
v=180√3cm³
a=6cm
Pp=6xa²√3 /4
Pp=6x 6²√3 /4 = oblicz .....
180√3=54√3 x H /:54√3
H= 180√3 /54√3 H = ⅞ zamiast 7 to 10 zamiast 8 to 3
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