Tolong dijawab gaessss plissssss

1. MN=(SRxMP)+(PQxSM)/SM+MP
=(12×3)+(20×5)/5+3
=36+100/8
=136/8
=17 cm
2. EF=(DCxAE)+(ABxDE)/AE+ED
=(10×3)+(15×2)/3+2
=30+30/5
=60/5
=12 cm