D = 12 cm
alfa (a) = 30*
V = ?
V = Pp x H
V = TTr^2 x H
H/D = cos(30*)
H = D x cos(30*) = 12cm x V3/2
H = 6V3 cm
d/D = sin(30*)
gdzie: d - średnica walca
d = D x sin(30*) = 12cm x 1/2
d = 6 cm
r = d/2 = 3 cm
V = TT x (3cm)^2 x 6V3cm
V = 54V3TT cm3
==============
V3 = 1,73
TT = 3,14
V = 54 x 1,73 x 3,14 [cm3]
V = 293,3 cm3
============
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D = 12 cm
alfa (a) = 30*
V = ?
V = Pp x H
V = TTr^2 x H
H/D = cos(30*)
H = D x cos(30*) = 12cm x V3/2
H = 6V3 cm
d/D = sin(30*)
gdzie: d - średnica walca
d = D x sin(30*) = 12cm x 1/2
d = 6 cm
r = d/2 = 3 cm
V = TT x (3cm)^2 x 6V3cm
V = 54V3TT cm3
==============
V3 = 1,73
TT = 3,14
V = 54 x 1,73 x 3,14 [cm3]
V = 293,3 cm3
============