Materi kelas 9 segitiga sebangun pada segitiga dengan garis2 sejajar tolong jawab, no 14

AB/AD = BC/DE
16/8 =BC/6
8BC =96
BC = 96/8
= 12

AB = 16
BD = 8
DE = 6
maka
AB/BC = AD/DE
16/BC = (AB - BD)/6
16/BC = 8/6
8BC = 6 . 16
8BC = 96
BC = 96/8
BC = 12