26 cm
Some rectangles don't have equal sides.
24cm2
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.
All rectangles are quadrilaterals.
In fact, some are rectangles, but not all are.
All rectangles are quadrilaterals. A quadrilateral has 4 sides; all rectangles have 4 sides; thus all rectangles are quadrilaterals.
All squares are rectangles also, but not all rectangles are squares, only equilateral rectangles are considered square.
True. All squares are rectangles, but not all rectangles are squares.
Not all quadrilaterals are rectangles. Some quadrilaterals are rectangles, and the rest are not. However, all rectangles are quadrilaterals.
A = 24cm2