Hi do any of you know how to do this?
2 answers:
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First, divide the shape into two figures ( a semicircle and a rectangle)
Then, find the are or the two shapes using the area formula for a semicircle (
) and the are formula for a rectangle (base x height)
Finally, add the two areas together and you have your answer
Then, find the are or the two shapes using the area formula for a semicircle (
Finally, add the two areas together and you have your answer
See attachment for one such shell. The volume is given by the sum of infinitely many thin shells like this, each with radius 
and height determined by the vertical distance between the upper blue curve and the lower orange curve for any given , i.e. 
.
The volume is then
The volume is then