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Keliling = 176cm
jawab
a. 2π r = 176
2 * 22/7 * r = 176
44/7 * r = 176
r = 176 * 7/44
r = 24cm
b. Keliling * jumlah Putaran = jumlah lintasan
176cm * 1.000 =176.000cm atau 1.760 meter atau 1,76 km