Kunci Jawaban Matematika Kelas 9 Halaman 265 No 15, Pembahasan Terbaru 2022 Kekongruenan dan Kesebangunan

EC = 2/6 X 9 = 3 cm

AE = AC - EC = 9-3 = 6 cm

d. CF = ... ?

CF/CB = EF/AB

CF/CF+4 = 5/7

7 X CF = 5 (CF + 4)

7CF - 5CF = 20

2CF = 20

CF = 10 cm

e. AE = ...?