Penjelasan dengan langkah-langkah:
diameter 23 mm = 11,5 cm
Luas = π r²
= 3,14 x 11,5 x 11,5
= 415,265 cm²
Luas = πr²
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Penjelasan dengan langkah-langkah:
diameter 23 mm = 11,5 cm
Luas = π r²
= 3,14 x 11,5 x 11,5
= 415,265 cm²
Luas = πr²
= 3,14 x 11,5 x 11,5
= 415,265 cm²