tolong jawab in nmr 5

Segitiga RSP = segitiga siku- siku
PR = 10 cm
SR = 8 cm

PR² = SR² + PS²
10² = 8² + PS²
PS = √(10² - 8²)
PS = √(100 - 64)
PS = √36
PS = 6 cm

Rumus air mancur:
PS² = SR × SQ
6² = 8 × SQ
SQ = 6² ÷ 8
SQ = 36 ÷ 8
SQ = 4,5 cm
QS = SQ = 4,5 cm