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33 = pi r
r = 10,5 cm
V kerucut = 1/3. pi. r .r. t
= 1/3 . 22/7 . 10,5. 10,5. 30
= 3465 cm3.
66 = d
d = 66 :
d = 21
r = 10.5
v = La . t
v = 2 . 30
v = 6615
v = 20781,63