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= 9 x 16
= 144
PS = 12 cm (D)
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Semoga membantu ya :)
Maka : CE = 2/3 CB = 2EB = 2 x 8 = 16 cm (A)
Menggunakan prinsip kesebangunan
3. Kalo pake triple pytaghoras yang 3, 4, 5 kayaknya jawabannya 15 (C)