Tolong ini jawabannya apa ya? terimakasih
Jawaban Terkonfirmasi
BC/BA = FC/FE
BC/7 = FC/5
BC/7 = (BC-BF)/5
BC/7 = (BC-4)/5
5BC = 7BC – 28
5BC – 7BC = – 28
-2 BC = -28
BC = -28 / -2
= 14 cm
CF = BC – BF
= 14 – 4
= 10 cm
semoga membantu:)
CF =
5 : 7 = CF . CF +4
7cf = 5cf +20
2cf = 20
cf = 10 cm. SEMOGA MEMBANTU ( D)