Answer:
1) 36 square units.
2) 190 square units.
Step-by-step explanation:
As you can see, the figures are trapezoids, therefore, you can calculate the area of each one of them with the following formula:
[tex]A=(\frac{B+b}{2})h[/tex]
Where:
B is the longer base, b is the shorter base and h is the height.
Then:
1) [tex]B=4units+(8units-2units)=4units+6units=10units\\b=8units\\h=4units[/tex]
[tex]A=(\frac{10units+8units}{2})(4units)=36units^{2}[/tex]
2) [tex]B=3units+15units+5units=23units\\b=15units\\h=10units[/tex]
[tex]A=(\frac{23units+15units}{2})(10units)=190units^{2}[/tex]
