1. 16cm
2. 8cm
To find the area for a square you multiple The length of the sides
To find the area for a triangle you do 1/2b x h
The expression that determines the volume of the container is 
<h3>How to determine the volume expression?</h3>
The given parameters are:
- Shape = Cone
- Height, h = 9 in
- Diameter, d = 4 in
The volume of the cone is calculated using:

So, we have:

This gives

Hence, the expression that determines the volume of the container is 
Read more about volume at:
brainly.com/question/1972490
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