tolong jwb secepatnya
Matematika
niken1221
Pertanyaan
tolong jwb secepatnya
1 Jawaban
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1. Jawaban cupid85
K = 2 × π × r
= 2 × 3,14 × 20
= 125,6 cm
L = π × r²
= 3,14 × 20 × 20
= 1256 cm²
opsi (B)