They are named for the number of sides and angles their shape posses. For example, an octagon has both eight sides and angles.
A quadrangle is a shape with 4 angles, such as a square, rectangle, or paralellogram. A four sided shape is called a quadrilateral.
An irregular shape can be any number of different angles. Irregular simply means its not regular, in other words, it's sides and angles are not all the same size.
An irregular pentagon is a five sided shape. This shape will have sides of differing lengths and interior angles of differing magnitudes.
A pentagon. It could look like a child's outline of a house.
NO because if you look at the shape it is different.
A polygon is a shape in which every site is a line segment. It can have any number of sides and any number of angles, but always has the same number of sides as it has angles..
there is no such thing as left angles.
 Alternate angles are equal (look for the ’Z’ shape)  Vertically opposite angles are equal
Yes, it would look like the standard kite shape.
It looks like a shape