Jawabanmu

2014-01-11T17:02:22+07:00
Cari keliling roda tsb
K =  \pi .d\\
K =  \frac{22}{7}.1,4 \\
K = 4,4 meter
roda tsb berputar 100 kali, panjang lintasan yg dilaluinya
pjg lintasan = 100 X 4,4 = 440 meter