A parallelogram has opposite sides parallel; a rectangle is special case of parallelogram where all angles are 90 degrees, which is not the case for general parallelograms, where only opposite angles are equal, but not all angles
All rectangles are indeed parallelograms.
Yes: PARALLELOGRAMS can be rectangles. The difference is that rectangles must have one right angle, so not all parallelograms are rectangles, but all rectangles are parallelograms, by defiinition. Parallegram doesn't define anything in the English vocabulary.
That they have three sides.
They are all rectangles (or 2 squares and 4 rectangles).They are all rectangles (or 2 squares and 4 rectangles).They are all rectangles (or 2 squares and 4 rectangles).They are all rectangles (or 2 squares and 4 rectangles).
Yes, all Squares are rectangles, but not all rectangles are squares because it needs to have all equal sides.
Yes, all rectangles are parallelograms. However, not all parallelograms are rectangles.
It is NOT as case of 'Some'. It is ALL rectangles are parallelograms.
No but all squares are a rectangles
All rectangles are quadrilaterals.
No. Only some parallelograms are rectangles. But all rectangles are parallelograms.
All squares are rectangles also, but not all rectangles are squares, only equilateral rectangles are considered square.
All rectangles are quadrilaterals. A quadrilateral has 4 sides; all rectangles have 4 sides; thus all rectangles are quadrilaterals.