they must have 4 sides
Yes, all Quadrilaterals have four sides, therefore they must have 4 angles.
A square, a rhombus and a kite are all 4 sided quadrilaterals that have perpendicular diagonals.
All rectangles are quadrilaterals. A quadrilateral has 4 sides; all rectangles have 4 sides; thus all rectangles are quadrilaterals.
All quadrilaterals have 4 sides
All quadrilaterals are 4 sided shapes which includes trapezoids.
All parallelograms are quadrilaterals, though not all quadrilaterals are parallelograms. Both have 4 sides and 4 corners. A quadrilateral can have sides and corners of different sizes, whereas a parallelogram must have opposite sides that are parallel.
All 4 sided parallelograms are quadrilaterals.
All 4 sided parallelograms are quadrilaterals.
im not sure what u were asking, but quadrilaterals are the classification for 4-sided polygons, so yeah, all 4-sided polygons are quadrilaterals.
Yes, all rectangles are quadrilaterals because they have four sides and all quadrilaterals have four sides.
Not all 4 sided quadrilaterals have lines of symmetry.
Yes, because all quadrilaterals have 4 sides which includes squares