Geometries $-$ C$/$s Area & Diff$-$Volumes

$(2)$

$(4)$

$(5)$

Answer the following for each case abore.

a$)$ What is the geometry?

b$)$ What is the coordinate system?

c$)$ What is the direction of transport?

d$)$ What is the $\frac{c}{s}$ area, $A?$

What is the differential volume, dV$?$