There are no overlaps or gaps when they are joined together because their interior angles of 90 degrees are factors of 360 degrees
Yes.
Triangle, square, hexagon.
By themselves, only 3: triangle, square and hexagon. But there are combinations: eg octagon + square.
They can tesselate - provided they are the correct shapes.
No only three can tesselate. they are: An equilateral triangle, a square and a 6 sided hexagon.
A square, rectangle, rhombus, parallelogram, trapezium, kite and arrowhead will tessellate. Other quadrilaterals will not.
Yes, rectangles tesselate. A tessellation is a tiling pattern.
No.
No.
No
No.
pentagons do not tesselate because their sides are uneven. hoped i helped!! :D 2010