sama panjang sama jari jari roda 21
cm roda tsb 600 kali panjang
lintasannya
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=22/7 ×42
=132
panjang lintasan=600×132cm=79.200 cm
Ket:
/ : per
d : 2×r
sama panjang sama jari jari roda 21
cm roda tsb 600 kali panjang
lintasannya