tolong bantu jawab,
penjelasan+langkah langkah,
plis kk
penjelasan+langkah langkah,
plis kk
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Penjelasan dengan langkah-langkah:
ad/ab = de/bc
x/(x + 5) = 9/12
12x = 9(x + 5)
12x = 9x + 45
12x - 9x = 45
3x = 45
x = 45 : 3
x = 15 cm
Jawaban:
15
Penjelasan dengan langkah-langkah:
x/(x + 5) = 9/12
12x=9x+45
3x=45
x=15
ad=15 cm