Dia jawab ya kak siapa aja

Lgabung = Ltrapesium + Lsegitiga

Ltrapesium = (s1 + s2) x t/2
Ltrapesium = (17 + 32) x 16/2
Ltrapesium = 49 x 8
Ltrapesium = 392 cm^2

Lsegitiga = a x t/2
= 15 x 20/2
= 15 x 10
= 150 cm^2

Lgabung = 392 + 150
= 542 cm^2 (D)