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r = 35 cm
t = 1 m = 100 cm
V tabung = x r x r x t
V = x 35 x 35 x 100
= x 35 x 35
= 385000 cm³
d= 70 cm= 7 dm r= 3,5 dm
t= 1 m= 10 dm
catatan :
1 liter= 1 dm³
Ditanya :
V. tabung?
Jawab :
V. tabung= π × r × r × t
V. tabung= 22/7 × 3,5 × 3,5 × 10
V. tabung= 22/7 × 3,5 × 35
V. tabung= 22 × 3,5 × 5
V. tabung= 110 × 3,5
V. tabung= 385
Jadi, air yang dapat ditampung pada bek tersebut adalah 385 dm³.