soal latihan matematika jngn asal asal pake cara
diameter = 12 cm --> r = 12/2 = 6 cm
volume tabung = πr²t
volume tabung = 3,14 x 6² x 10 = 1.130,4 cm³
volume kerucut = ⅓ x πr²t
volume kerucut = ⅓ x 3,14 x 6² x (18-10)
volume kerucut = 301,44 cm³
volume total = 1.130,4 + 301,44 = 1.431,84
dibulatkan = 1.432 cm³
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