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Verified answer
Lp bola= 4 πr kuadratr= 9
Lp bola= 4x22/7x9x9
Lp bola= 88/7x81
Lp bola= 1.018,3
r= 5
Lp bola= 4x22/7x5x5
Lp bola= 88/7x25
Lp bola=314,3
Selisihnya
=1.018,3-314,3
= 704 (d)