tolong kak bwt besok pliss ya pake cara ya ?
Matematika
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Pertanyaan
tolong kak bwt besok pliss ya pake cara ya ?
1 Jawaban
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1. Jawaban Anonyme
Lpb = 2 ( pl + pt + lt )
484 = 2 ( 10 × 9 + 10 × t + 9 × t )
484 : 2 = 90 + 10t + 9t
242 = 90 + 19t
242 - 90 = 19t
152 = 19t
t = 8 cm