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ayah mengelilingi sebanyak 5 kali→400×5=2000m
p = 120 m
l = 80 m
Jawab :
K = 2 (p + l)
K = 2 (120 + 80)
K = 2 (200)
K = 400
Jadi jarak yg ditempuh Ayah adalah 5 x 400 = 2.000 m = 2 km