tolong batauin yaaa pakai caraa

Bab Bangun Ruang
Matematika SD Kelas VI

volume gabungan
= Volume kerucut + volume balok
= (1/3 x p x l x t) + (p x l x t)
= (1/3 x 30 x 12 x 21) + (30 x 12 x 20)
= 2.520 + 7.200
= 9.720 cm kubik