Jawaban:
a.21cm
Penjelasan dengan langkah-langkah:
K = 2πr
2πr = K
2.22/7.r = 66
44/7r = 66
r = 66 ÷ 44/7
r = 10,5cm
d = 2 × r
d = 2 × 10,5cm
d = 21cm (a).
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Jawaban:
a.21cm
Penjelasan dengan langkah-langkah:
K = 2πr
2πr = K
2.22/7.r = 66
44/7r = 66
r = 66 ÷ 44/7
r = 10,5cm
d = 2 × r
d = 2 × 10,5cm
d = 21cm (a).