trapezium,rhombus and parrelogram
You add up the lengths of the 4 sides.
If you mean a parallelogram then it is a 4 sided quadrilateral with opposite parallel sides
no a its a scalene accutally becuz a sqare never going to be parrel so its not parrelogram!
It is a rhombus or a parallelogram.
No, all parallelograms are quadrangles or quadrilaterals which have 4 sides. Hexagons have 6 sides.
a square has 4 right angles, same with a rectangle