Question

what is cross section. explain briefly in maths

Answer 1

IN MATHS THE CROSS-SECTION ACTUALLY MEANS THE AREA OF ANY CYLINDRICAL SURFACE.
OR IT CAN ALSO MEANT THE DIAMETER OF BASE OF CYLINDER.

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Answer 2

HI
HERE IS THE ANSWER
A view into the inside of something made by cutting through it. 
Cross sections make it easy to draw details of solid objects.

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