bantu sayaaa MTK kelas 9
![](https://id-static.z-dn.net/files/dd7/f1edf02380b697c3290fddb32d73cf0b.jpg)
[tex] \sf\frac{CD}{DE} = \frac{CA}{AB} [/tex]
[tex] \sf\frac{6}{10} = \frac{6+3}{AB} [/tex]
[tex] \sf\frac{6}{10} = \frac{9}{AB} [/tex]
[tex] \sf\frac{10\times9}{6} = AB [/tex]
[tex] \sf\frac{90}{6} = AB [/tex]
[tex] \boxed{\red{15}} = \sf AB [/tex]
MAAF KALAU SALAH
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