Which device can connect many computers and sends packets out every port?

Hub

Explanation:

This is the actual answer, I know it doesn't seem like it'd be an answer, but it is.

Hope this helps!

Have a great day! :)

A: if you cut it parrallel to the base, it will take the shape of the base, and the base is a rectangle, so it will still be a rectangle.

B: if you cut it perpendicular to the base, it will take the shape of the side face, making it a square