pakai cara ya jwab nya

Luas bangun 1=luas trapesium
=(a+b)×t×1/2
=(26+(26+15))×23×1/2
=(26+41)×23×1/2
=67×23×1/2
=1.541×1/2
=770,5cm
Luas bangun 2=luas persegi panjang
=p×l
=26×40
=1.040cm
Luas bangun seluruhnya
=770,5cm+1.040cm
=1.810,5cm²