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110 = 2 x 22/7 x r
110 = 44r/7
770 = 44
r = 17,5cm
8. kklng roda = 2 x 22/7 x 35 = 220cm
jarak yg ditempuh = 220 x 2000 = 440000cm = 4,4km
110 = 2 x x r
110 = x r
r = 110 :
r = 110 x
r = 17,5 cm <D>
8. Jarak = Keliling x Banyak putaran
= 2 x x 35 x 2000
= 220 x 2000
= 440.000 cm = 4,4 km <D>