Jawaban:
352
Penjelasan dengan langkah-langkah:
luas lingkaran = pi × r^2
pi × r^2 = 2461,67
3,14 × r^2 =2461,67
r^2 = 2461,67/ 3,14
r^2=783,96
r = 27,999= (28)
keliling = 2 pi × d
2 pi × 2(r)
2 × 22/7 × 2(28)
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Jawaban:
352
Penjelasan dengan langkah-langkah:
luas lingkaran = pi × r^2
pi × r^2 = 2461,67
3,14 × r^2 =2461,67
r^2 = 2461,67/ 3,14
r^2=783,96
r = 27,999= (28)
keliling = 2 pi × d
2 pi × 2(r)
2 × 22/7 × 2(28)
352