Question

the crose section of a solid cylinder is​

Answer 1

The vertical cross-section of a solid cylinder is a rectangle.

How do you find the cross section of a cylinder?

So all you need to know, to be able to calculate the cross sectional area, is its radius. The square of the radius, multiplied by π, shall give you the value of the cross sectional area. The unit of cross sectional area will depend on the length unit used for radius measurement.