Penjelasan dengan langkah-langkah:
L lingkaran = 3/4×π×r²
=3/4×22/7×28×28
=3×22×4×7
=1.848
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Penjelasan dengan langkah-langkah:
L lingkaran = 3/4×π×r²
=3/4×22/7×28×28
=3×22×4×7
=1.848