Matematika Sekolah Menengah Pertama 11. Perhatikan gambar berikut! Panjang BC adalah.... ok maksih​

loybrownulv – March 06, 2023

11. Perhatikan gambar berikut! Panjang BC adalah....
ok maksih​

11. AE = 8 cm, EB = 4 cm, DE = 10 cm, CB = x cm

AB = AE + EB

= 8 + 4 = 12 cm

[tex] \frac{ae}{ab} = \frac{de}{cb} \\ \frac{8}{12} = \frac{10}{x} [/tex]

8x = 10.12

8x = 120

x = 120/8 = 15 cm

BC = x = 15 cm( C. )

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