tentukan nilai p pakai cara

Jawaban
[tex] \frac{9}{9 + 3} = \frac{12}{12 + p} [/tex]
=
[tex] \frac{9}{12} = \frac{12}{ + p} [/tex]
Jadi 9(12 + P) =12.12=12 x 12 =144
144-108=36 =36 : 9 =4 cm

kalo kurang jelas ada di gambar