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= 5204 m : 2000
= 2,512 m
= 251,2 cm
K = π × d
251,2 = 3,14 × d
251,2 : 3,14 = d
80 = d
L = 1/4 × π × d²
= 1/4 × 3,14 × 80²
= 1/4 × 3,14 × 6400
= 3,14 × 1600
= 5024 cm
kasih jawaban terbaik yaa