A pallelogram or rhombus
It's a parallelogram that's also a rhombus, a rectangle, and a square.
A rhombus
A rhombus.
A parallelogram is a quadrilateral whose opposite sides are parallel and has no right angles
A square.
In general, none.
No but they are both 4 sided quadrilaterals
360 degrees.
180 Degrees
A polygon with four sides and four angles is a quadrilateral.
Trapezoids have four sides and exactly one pair of parallel sides. A trapezoid is a 4 sided quadrilateral.