Jawabanmu

Jawaban paling cerdas!
2014-02-13T21:05:41+07:00
Jawabannya
kll = 2πr
288 cm = 2 × 22/7 × r
288 cm × 7 ÷ 22 × 2 = r
45,8 = r
L = π r²
L = 3,14 × 45,8 × 45,8
    = 6.586,5896 cm ²
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