squares or more rectangles depending on the size of the rectangle to begin with and how you cut it.
A polyhedron is a 3 dimensional figure made of polygons. A cylinder is made of two circles and a rectangle around the middle. Since circles are not considered polygons (don't have straight edges), a cylinder cannot be a polyhedron. I just had a discussion about this with my math students today.
two vertical at one third and two thirds the distance from a side and one horizontal in the middle (or two horizontal one vertical)
there's a rectangle in the middle and then a circle at the top and the bottom of the rectangle
2 up and down in the middle and left to right in the middle
I don't really know but I think there are four
It is the vertical line that is in the middle of the sternum.
Cheese
the silver
a rectangle in the middle, 4 squares surrounding it then attached to one of the horizontal sides, another rectangle which is also horizontal.
yes dumbo
vertical split bar
It has one vertical line of symmetry through its middle