Diketahui:
[tex] \: [/tex]
Ditanya: Keliling (K) ...
[tex]\:[/tex]
Jawab:
K = 2πr
K = 2 × 3,14 × 20
K = 6,28 × 20
K = 125,6 cm
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Penjelasan dengan langkah-langkah:
Diketahui:
[tex] \: [/tex]
Ditanya: Keliling (K) ...
[tex]\:[/tex]
Jawab:
K = 2πr
K = 2 × 3,14 × 20
K = 6,28 × 20
K = 125,6 cm