A mansard - it is explained in Wikipedia
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Eskimo Rabbit
it is called a 'mansard' see http://www.thefreedictionary.com/mansard+roof
Rhombus , Square , Kite , Quadrangle As you can see quad means four, so that's why they call it quadrangle.
A four sided polygon with four congruent sides is a rhombusA square.
A four sided figure with no parallel sides is a trapezium, but it is also an irregular four-sided polygon, tetragon, quadrilateral, or quadrangle.
Most mathematicians would use "24-gon." You can use tetracosagon or icositetragon
it is called a 'mansard' see http://www.thefreedictionary.com/mansard+roof
A four-sided solid is called a tetrahedron.
A four sided shape
quadrilateral
quadrilateral
34-gon
It can be a quadrilateral, though quadrilaterals are 4-sided shapes in general.
It is a square or a rhombus
Since I don't have the vaguest idea what it is, I would not call it anything!
A four sided polygon is a quadrilateral.
Rhombus , Square , Kite , Quadrangle As you can see quad means four, so that's why they call it quadrangle.
what do we call in the two sided fastener