Luas permukaan tabung
Lp = 2 . π . r (r + t)
Lp = 2 . 22/7 . 35 (35 + 12)
Lp = 220 (47)
Lp = 10.340 cm^2
Volume tabung
V = π . r^2 . t
V = 22/7 . 35 . 35 . 12
V = 46.200 cm^3
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Luas permukaan tabung
Lp = 2 . π . r (r + t)
Lp = 2 . 22/7 . 35 (35 + 12)
Lp = 220 (47)
Lp = 10.340 cm^2
Volume tabung
V = π . r^2 . t
V = 22/7 . 35 . 35 . 12
V = 46.200 cm^3