Penjelasan dengan langkah-langkah:
[tex]K = \frac{\pi \times d }{2} \\ K = \frac{ 3.14 \times 20}{2} \\ K = \frac{62.8}{2} \\ K = 31.4 \: cm[/tex]
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Penjelasan dengan langkah-langkah:
[tex]K = \frac{\pi \times d }{2} \\ K = \frac{ 3.14 \times 20}{2} \\ K = \frac{62.8}{2} \\ K = 31.4 \: cm[/tex]