Mohon bantuannya kak. Makasih
Jawaban:
d. 15 cm
Penjelasan dengan langkah-langkah:
CD = 6 cm
AC = 6 cm + 3 cm = 9 cm
DE = 10 cm
[tex] \frac{cd}{ac} = \frac{de}{ab} \\ \frac{6}{9} = \frac{10}{ab} \\ 6 \times ab = 10 \times 9 \\ 6 \times ab = 90 \\ ab = 90 \div 6 \\ ab = 15 \: cm[/tex]
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