tolong di jawab y plz pake cara

nomor 1
QS = √24 x 6
QS = √144
QS = 12 cm

nomor 2
AB = √BD x BC
AB = √6 x 16
AB = √96
AB = 9,8 cm

nomor 3
AE/AB = DE/BC
24/60 = 18/BC
2/5 = 18/BC
2BC = 5 x 18
2BC = 90
BC = 90/2
BC = 45 cm

*semoga membantu. sukses selalu ^_^