Dane
α=120
a=8
OBL V
h=a/2·√3
Objetosc walec minus stozek
r=h
Vw=πr²·a
Vst=1/3πr²·a/2
V=Vw-Vst=πr²(a-a/6)=5/6·πr²·a=5/6·π·3/4·a³
V=5/8·πa³=5/8·π·8³
V=5·64π
V=320π
Pozdr
Hans
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Dane
α=120
a=8
OBL V
h=a/2·√3
Objetosc walec minus stozek
r=h
Vw=πr²·a
Vst=1/3πr²·a/2
V=Vw-Vst=πr²(a-a/6)=5/6·πr²·a=5/6·π·3/4·a³
V=5/8·πa³=5/8·π·8³
V=5·64π
V=320π
Pozdr
Hans