All rectangles are parallelograms.
not true
Not necessarily. If the statement is "All rectangles are polygons", the converse is "All polygons are rectangles." This converse is not true.
yes. rectangles are just the special cases of parallelograms where the angles are all 900
yes, it is true
True. All squares are rectangles, but not all rectangles are squares.
All rectangles are parallelograms.
not true
Not necessarily. If the statement is "All rectangles are polygons", the converse is "All polygons are rectangles." This converse is not true.
true
True
True
yes. rectangles are just the special cases of parallelograms where the angles are all 900
Yes it's true.
True.
All rectangles are quadrilaterals. A quadrilateral has 4 sides; all rectangles have 4 sides; thus all rectangles are quadrilaterals.
In fact, some are rectangles, but not all are.