Dik : d lingkaran: 26cm
Hitunglah keliling dan luas lingkaran tersebut
Hitunglah keliling dan luas lingkaran tersebut
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Jawab:
Keliling = 81,64 cm
Luas = 530,66 cm^2
Penjelasan dengan langkah-langkah:
Keliling = π x d
= 3,14 x 26
= 81,64 cm
Luas = π x r^2
= 3,14 x 13 x 13
= 530,66 cm^2
Catatan : jari-jari (r) = 1/2 diameter (d)