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= 1/3 x phi r kuadrat x t
= 1/3 x 22/7 x 7 x 7 x 21
= 1078 cm kubik
diameter=14cm, jadi jari2nya=7cm
tinggi=21cm
Dit:
Volume kerucut
phi*jari kuadrat*tinggi
1/3*22/7 *7*7*21
1/3*3234 cm3
1078 cm3