yes of course they can. the both have straigt edges and the angles of their corners are the same.
All 4 sided quadrilaterals will tessellate
The rectangle is the simplest and most obvious case of a geometrical form that can tile a plane.
A square can tessellate but a regular pentagon can't tessellate
A square, rectangle, rhombus, parallelogram, trapezium, kite and arrowhead will tessellate. Other quadrilaterals will not.
No
A square will tessellate leaving no gaps or overlaps but a circle does not tessellate.
No but a square will tessellate on its own.
Yes a rectangle will tessellate with no gaps or overlaps
Yes, rectangles will tessellate.
No, but an octagon and a square can tessellate.
Simply because if you join two of the same size (with one rotated by 180 degrees) along their longest side, they will form either a square or a rectangle. Both of those shapes tessellate
Yes because it will tessellate