quadrilaterals
All four-sided figures are quadrilaterals.
No. There are some figures that don't have a name that are five sided.
Not all four-sided figures are parallelograms. A parallelogram is a specific type of quadrilateral where opposite sides are parallel and equal in length. Other four-sided figures, such as trapezoids and rectangles, do not meet these criteria. Therefore, while all parallelograms are quadrilaterals, not all quadrilaterals are parallelograms.
yes
There exists at least one quadrilateral which is not 4-sided.
Yes.
Same as all other four sided figures, 360o
yes they are all four sided figures classifying them as quadrilaterals
All four sided figures have the same sum in degrees. 360.
because they have four sides, which is the definition of quadrilateral
Quadrilateral.
quadrilaterals