There is no specific name for such a shape.
The name of the shape is a quadrilateral.
A heptagon
There is no specific name for any shape that has only two equal sides. How many other sides does it have? Are these other sides straight of curved? You have chosen not to provide any of this information and so I regret that it is impossible to give a more useful answer.Another Answer:-It could be an isosceles triangle that you have in mind.
It is usually a regular polygon that has equal sides.
A two-dimensional shape with one curved side and four straight sides can be created, but there is not specific name for such a shape.
Square. By definition, its sides must all be equal.
There is no specific name for such a shape.
irregular
Square
Pentagon
There is no specific name for such a quadrilateral.