Tolong bantuannya ya

Kelas 8 Matematika
Bab Teorema Pythagoras

PR = PQ + QR
PR = 11 + 9
PR = 20 cm

PS = √(PR² - RS²)
PS = √(20² - 12²)
PS = √(400 - 144)
PS = √(256)
PS = 16 cm

QT/PS = QR/RS
QT/16 = 9/12
QT = 16 . 9/12
QT = 12 cm

✩✩ D ✩✩