Jawaban:
1663,2 cm²
Penjelasan dengan langkah-langkah:
dimakan ⅕, berarti sisa ⅗, maka luas ⅗ bola =
[tex] \frac{3}{5} \pi {r}^{2} \times 2 = 0.6 \times \frac{22}{7} \times 21 \times 21 \times 2\\ = 1663.2 \: {cm}^{2} [/tex]
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Jawaban:
1663,2 cm²
Penjelasan dengan langkah-langkah:
dimakan ⅕, berarti sisa ⅗, maka luas ⅗ bola =
[tex] \frac{3}{5} \pi {r}^{2} \times 2 = 0.6 \times \frac{22}{7} \times 21 \times 21 \times 2\\ = 1663.2 \: {cm}^{2} [/tex]