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a
V=1/3*4 √3
b
V=1/3*4*6
c
V=1/3*9√3/4*4√3=1/3*4*27/4
d
V=1/3*12√3*8=1/3*4*24√3
najmniejsza V przykład A
2
V=5*5*8=200 ml <250 ml
V=π *9*4=36*3,14≈113,04 ml <250 ml
V=1/3π25*9=75*3,14≈235,5 ml<250 ml
V=6*16√3/4*7≈291ml>250
w D