It could be an irregular 5 sided pentagon providing that its 5 inteior angles add up to 540 degrees
2 obtuse and 2 acute in the classic kite shape.
a trapezoid :) * * * * * Not necessarily. A trapezoid can have two right angles, one acute and one obtuse angle. A parallelogram which is not a rectangle must have 2 acute and 2 obtuse angles.
parallelogram
4
no....
An obtuse triangle or an isosceles triangle if the 2 acute angles are equal in size
With 2 acute and 2 obtuse angles it has 4 angles - the shape is a quadrilateral. The shape can be one of trapezium, parallelogram, rhombus, kite or a general quadrilateral. With the two acute angles next to each other (forcing the two obtuse angles to be next to each other) the shape can be either a trapezium or a general quadrilateral.
A rhombus
A rhombus.
polygon
C.35
a rhombus