The rectangle (all four angles = 90°) and rhombus (all four sides equal) are both special cases of parallelogram. A square is a rectangle which is also a rhombus.
All parallelograms are quadrilaterals but all quadrilaterals are not necessarily parallelograms
All 4 sided parallelograms are quadrilaterals.
All 4 sided parallelograms are quadrilaterals.
Not necessarily. All parallelograms are quadrilaterals but not all quadrilaterals are parallelograms. Parallelograms are more specific instances of quadrilaterals. Its like saying all squares are rectangles but not all rectangles are squares.
Yes because all parallelograms have four sides. But the opposite is not true. There are some quadrilaterals that aren't parallelograms.
Parallelograms are a special form of quadrilaterals (four sided polygons). Parallelograms have 2 sets of parallel sides. So you could say that all parallelograms are quadrilaterals. Or you could say that all parallelograms are polygons. I'm not sure what you are asking.
Yes.
They are quadrilaterals which have two pairs of parallel sides.
Some are, and some are not. A parallelogram is a special kind of quadrilateral ... one in which every side is parallel to the one across from it. So all parallelograms are quadrilaterals, but there are also a lot of other quadrilaterals that are not parallelograms.
No trapezoids are not parallelograms. Trapezoids are actually quadrilaterals and they have one pair of opposite sides. Parallelograms by definition have 2 pairs of parallel sides.
parallelograms and,or quadrilaterals
Cause they arent