Panjang BE adalah? tolong bantu cepat
Jawaban Terkonfirmasi
BD = 12 cm
CD = 8 cm
AE = 6 cm
BE = …???
BE/BA = BD/BC
BE/(BE + 6) = 12/(12 + 8)
BE/(BE + 6) = 12/20
BE × 20 = 12 × (BE + 6)
20BE = 12BE + 72
20BE – 12BE = 72
8BE = 72
BE = 72/8
BE = 9 cm (C)