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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban niesrinaasmadina
luas lingkaran = π*r²
= 3,14 * 18 cm ²
=3,14 *18*18
=1017,36 cm²
gambar 1/4 lingkaran maka = 1/4*1017,36 cm²
= 254,34 cm
jawab .B
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