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Matematika SD Kelas VI
tabung
volume = π x r x r x t
volume = (22/7) x 14 x 14 x 45
volume = 27.720 liter
waktu = volume / debit
waktu = (1/2 x 27.720) / 30
waktu = 462 detik
V = 22 / 7 (14 dm)² (45 dm)
V = 27.720 dm³ = 27.720 l
w = V / D
=> (27.720 / 30) ½
= 462 detik = 7,7 menit