tolong dong kak ,saya butuh jawaban nomor 25. dijawab segera yah beserta caranya,makasih!

CF : FB = 2:3
AB = 27
CD = ?

EF =
2/3 = x/27
3x = 27.2
x = 27.2/3 = 18

CD =
x/18 = 18/27
27x = 18.18
x = 18.18/27 = 12