Tolong dong kak, dijawab pakai caranya ya​

PQ = 13 cm

Penjelasan dengan langkah-langkah:

TU = (SR x PT + PQ xTS) : PS

11 = (10×8 + PQ x 4) : 12

11 x 12 = 80 + 4PQ

132 = 80 + 4PQ

132 – 80 = 4PQ

52 = 4PQ

PQ = 52/4

= 13