What is the area of this figure?
3 cm
6 cm
6 cm
22 cm
12 cm
3 cm
4 cm
12 cm

Step-by-step explanation:
Area1=4×3=12cm²
Area2=6×3=18cm²
Area3=(6+3)×(12+4)=9×16=144cm²
Total area = area1 + area2 + area3
Total area= 12+ 18+144=174cm²