Penjelasan dengan langkah-langkah:
r = 14 cm
t = 21 cm
Luas permukaan tabung tanpa tutup
Lp = π . r (r + 2t)
Lp = 22/7 . 14 (14 + 2(21))
Lp = 44 . 56
Lp = 2.464 cm^2
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Penjelasan dengan langkah-langkah:
r = 14 cm
t = 21 cm
Luas permukaan tabung tanpa tutup
Lp = π . r (r + 2t)
Lp = 22/7 . 14 (14 + 2(21))
Lp = 44 . 56
Lp = 2.464 cm^2