Penjelasan dengan langkah-langkah:
BD = AC
7x + 5 = 9x + 3
7x - 9x = 3 - 5
-2x = -2
x = 1
Panjang BD = 7·1 + 5 = 12 Cm
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Penjelasan dengan langkah-langkah:
BD = AC
7x + 5 = 9x + 3
7x - 9x = 3 - 5
-2x = -2
x = 1
Panjang BD = 7·1 + 5 = 12 Cm