The answer is a 36
This is because if you take the area of one of the three triangles that make up the trapezoid you do 1/2 base times height and get 12 and you add all three together thus getting 36 square inches
To find how much lemonade the pitcher can hold, you will add the amounts that he drank and remained to get a total. This total would be the starting amount.
8 oz + 8 oz + 24 oz = 40 ounces
The pitcher originally held 40 ounces of lemonade.
V≈5321.86
Sine the cylinder volume formula is pi*r^2*h.