Sebuah drum berbentuk tabung. Diameter drum tersebut 63 cm dan tinggi 92 cm lebih panjang dari diameter. Drum tersebut telah terisi air 29.788 cm³. Agar drum tersebut penuh air, banyak air yang harus ditambahkan adalah........cm³.
BANTUIN
PAKE CARA GAK NGASALL
BANTUIN
PAKE CARA GAK NGASALL
penyelesaian :
= 3,14 × r × r × t - air
= 3,14 × 31,5 × 31,5 × 92 - 29.788
= 283.888,08 - 29.788
= 254.100,08 cm³
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