August 2018 1 57 Report
Perhatikan gambar jajargenjang ABCD berikut.
diketahui: panjang DC = (4y + 3)cm
CB = (4x + 1)cm
AD = (3x + 6)cm
jika panjang AB : BC = 5 : 3, tentukan?
a. nilai y
b.keliling ABCD.
(pakai cara yh)
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