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pj lintasan: 17,6km= 1760000 cm
d: 56cm
r: 28cm
anggep aj (x) itu banyak putaran
jwb:
pj.lnts = kll.lingkaran × bnyakputaran (x)
1760000 = (2 × 22/7 × 28) × (x)
1760000 = 176 × (x)
1760000/176 = (x)
10.000 = (x)
jdi bnyak putaran 10.000 kali
smga membantu :)