Suatu lingkaran memiliki jari jari 27,5maka keliling lingkaran tersebut adalah
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Jawaban:
keliling lingkaran
2×π×r
2×3,14×27,5
=(2×3,14)×27,5
=6,28×27,5
=172,7 cm
Verified answer
Penjelasan dengan langkah-langkah:
[tex]K = 2 \times \pi \times r \\ K = 2 \times 3.14 \times 27.5 \\ K = 2 \times 86,35 \\ K = 172.2 \: cm[/tex]