Penjelasan dengan langkah-langkah:
LP Tabung Tanpa Atap
r = 28/2 = 14 cm
LP = 2πr(r+t) - πr²
LP = 2×22/7×14(14+20) - 22/7 × 14 × 14
LP = 88 × 34 - 22 × 2 × 14
LP = 2.992 - 616
LP = 2.376 cm²
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Penjelasan dengan langkah-langkah:
LP Tabung Tanpa Atap
r = 28/2 = 14 cm
LP = 2πr(r+t) - πr²
LP = 2×22/7×14(14+20) - 22/7 × 14 × 14
LP = 88 × 34 - 22 × 2 × 14
LP = 2.992 - 616
LP = 2.376 cm²