Answer:
I am not sure if it's correct but for 20) I think it is 150
Step-by-step explanation:
First to find the area of the triangle is base times height divided by 2. So 12×8=96 then 96÷2=48
For the rectangle is 12×7=84
For the little square is 6×3=18
If you add them all together it would be 150
