pls di jawab pake cara
Matematika
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pls di jawab pake cara
1 Jawaban
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1. Jawaban Iwan47
L1 : L2 = π(r1)²t : π(r2)²t
L1 : L2 = (r1)² : (3r1)²
L1 : L2 = (r1)² : 9(r1)2
L1 : L2 = 1 : 9 ------> C