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d₂=9
v=Pp*H
d₁=a√2
d₁=4√2
tw.pitagorasa
(4√2)²+H²=d₂²
32+H²=81
H²=81-32
H²=49
H=7
V=a²*H
V=16*7
V=112
Proszę bardzo....
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