It is a rectangle.
It is a rectangle which is similar to the base.
square
rectangle
It is a rectangle.
It is a rectangle.
The vertical cross section of a right vertical cone is a triangle if that cross section is taken from the vertex. Any other vertical cross section will reveal a hyperbola (with endpoints on the base of the cone). A link can be found below.
The cross-section of a cuboid is unified in the shape of a square or a rectangle.
It is a rectangle which is similar to the base.
The cross section can be a triangle, rectangle or a hexagon.
It will be a rectangle
rectangle
Yes
square
rectangle
It is a rectangle.
Some cross sections are rectangle and octagon.