keliling lingkaran 176 cm. jari jari, keliling, diameternya ... [pakai cara]
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keliling lingkaran 176 cm. jari jari, keliling, diameternya ... [pakai cara]
1 Jawaban
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1. Jawaban nofitarachma
K = Π.d
176 = 22/7 . d
56 = d
d = 2r
56 = 2r
28 = r
L = Π.r²
= 22/7 . 28²
= 2464 cm²