Kunci Jawaban Matematika Kelas 9 Semester 2 Halaman 265 No 15 -25 Uji Kompetensi Kekongruenan dan Kesebangunan

CF/CB = EF/AB

    CF
______ = 5/7
CF + 4

7CF = 5 CF + 20

7 CF - 5 CF = 20

2 CF = 20

CF = 20/2 = 10 cm

e. AE =...cm

AE/ BD = CE/ BC

AE/6 = 14/7

AE = 14.7/7