No 1,2,dan 4.. #tolong bantu saya.. #buat cara ny.. #pliss besok di antar..

1. L.Trapesium1= (24+30)/2 × 5 = 54/2×5= 135 cm²
L.trapesium2= (30+8)/2 ×6= 114 cm²

Jumlah= 135+114=249 cm²

2. L. 2 trapesium siku"= 2×(5+12)/2×8 =2×17/2×8= 136 cm²
L. Layang"= 1/2×d1(12-5)×d2(8+8)
1/2×7×16= 56cm²

Jumlah= 136+56= 192 cm²

4. L. Layang"1= 1/2×d1(8+26)×d2(6+6)= 1/2×34×12= 204 cm²
L. Layang"2= 1/2×d1(12+26)×d2(6+6)=1/2×38×12= 228 cm²

Jumlah= 204+228=432 cm²