K = 2 × π × r
= 2 × 3,14 × 12
= 6,28 × 12
= 75,36 cm (C) ☑
Jawaban:
K = 75,36cm²
Penjelasan dengan langkah-langkah:
Keliling lingkaran:
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K = 2 × π × r
= 2 × 3,14 × 12
= 6,28 × 12
= 75,36 cm (C) ☑
Jawaban:
K = 75,36cm²
Penjelasan dengan langkah-langkah:
Keliling lingkaran: