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ada 2 bangun ruang yaitu tabung dan
kerucut.
Tabung=V=πr²×t
=V=22/7×7×7×18
=V=154×18=2.772cm³
Kerucut=1/3×πr²×t
=1/3×22/7×7×7×18
=154×6=924 cm³
Volume=Tabung+Kerucut
=2.772+924
=3696 cm³
Maaf jika jawabannya salah :D