Hi!
Volume is length x width x height
Given the figure, length x height has already been done, hence the shaded green area.
That means, we only have to multiply this by the width, which is [tex]\frac{8}{3}[/tex]
[tex]\frac{8}{3} *\frac{21}{2}=\frac{168}{6} =28[/tex]
Therefore, your answer is 28.
-------------------------------------------------------------------------------------------------------------
For more information, see:
https://brainly.com/question/26677536
