dapet 40 poin lho... diberi jalan kerja yaaa....

1 tabung berisi 5 bola
D bola = D tabung = 2r
r bola = r tabung = r
tinggi tabung = 5 x 2r =10r
Volume kosong antara tabung dan bola = volume tabung - 5 volume bola
= πr²t - 5 (4/3 πr³)
= π r² (10r) - 5 (4/3 π r³)
=10r³π - 20/3 r³π
=(10 - 20/3) r³π
=( (30-20)/3) r³π
= 10/3 r³π