Plz answer number 3 and / or 4.

Answer:
#4. The answer is 38.
Step-by-step explanation:
The answer is 38. This is because with the perimeter, you are wanting to add up the whole exterior of the shape. With this being said you want to add 10+10+9+9=38.
Hope this helps!
Answer:
Question 3:
Area=80cm^3
Question 4:
Perimeter =38cm
Step-by-step explanation:
question 3:
Area of parallelogram=base x height
Area of parallelogram=10 x 8
Area of parallelogram=80cm^3
Question 4:
Perimeter of parallelogram=10+10+9+9
Perimeter of parallelogram=38cm