nomer 11 tolong ? mohonbantuannya kawan 2

A. Pst = a x t : 2
a = 24-18 = 6
t = 18
6 x 18 : 2 = 54
B. Segitiga QRU = Segitiga PST jadi luasnya sama
C. TQUS s x s = 18 x 18 = 324
D. PQRS a x t= 24 x 18 = 432