plis tolong jawabin dong no 1-2

1. Bangun 1 : panjang x lebar = 50cm x 42cm =2.100 cm2
Bangun 2 : panjang x lebar = 24cm x 24cm = 576 cm2
Total : 2.100cm2 + 576cm2 =2.676 cm2

2.Bangun 1 : panjang x lebar = 58cm x 52cm = 3.016 cm2
Bangun 2 : 1/2 x alas × tinggi = 1/2 x 58cm x 34cm = 986 cm2
Total : 3.016 cm2 + 986 cm2 = 4.002 cm2