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= 22/7 x 42
= 132 cm
Jarak = banyak putaran x kell
= 50 x 132
= 6.600 cm
= 66 meter.
semoga membantu
n=50 kali
=keliling x n
=π.dx50
=22x42x50
7
=132x50=6600cm=66meter=0.066km