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Verified answer
Gunakan perbandingan kesebangunansegitiga ABC sebangun dengan segitiga ADE
jadi panjang sisi
AB/AD = BC/DE
x / (x+4) = 6/8
x / (x+4) = ¾ (kali silang)
x = ¾x + ¾×4
¼x = 3
x = 12m (jawaban A) ✔️
semoga jelas dan membantu