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Volume Kerucut : 1/3 x 22/7 x 3.5 x 3.5 x 6 = 77
Total = 385 + 77 = 462
Detail Cara :
Volume dari penanak nasi adalah Volume tabung + Volume Kerucut
rumus volume tabung = Luas alas tabung x tinggi tabung = π r^2 t
rumus volume kerucut = 1/3 π r^2 t
r tabung = 3.5
t tabung = 10
r kerucut = 3.5
t kerucut = 6