Malam kak tolong bantuin yuk ngerjain ini makasii:))))))

1/Rparalel = 1/R1 + 1/R2
1/6 = 1/9 + 1/R2
1/6 - 1/9 = 1/R2
(3-2)/18 = 1/R2
1/18 = 1/R2
R2 = 18 ohm

#maaf jika salah semoga membantu