The base of a solid is created by the curve y=x+5\displaystyle {y}=\sqrt{{{x}}}+{5} , the x-axis, the y-axis, and the vertical line x = 4.  Find the volume if the cross sections perpendicular to the x-axis are:

A.  squares

volume =  

B. isosceles right triangles with one leg on the base

volume =  

c. right triangles where one leg is 4 times the length as the leg on the base

volume =  

d.  semi-circles with the diameter on the base

volume =  

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