if the sides of two rectangles are equal then they r congrunt
No, only those rectangles that are squares have four congruent sides.
Rectangles
Rectangular prism
Some of them (rectangles) do.
Square and Rectangle
yes rectangles are congruent.
No, only those rectangles that are squares have four congruent sides.
Yes, into infinitely many sets of congruent rectangles. In fact, all plane shapes - including totally random ones - can be divided into sets of congruent shapes.
No, rectangles do not have congruent sides. Squares have congruent sides.
They make two congruent rectangles, not to rectangles! This is because the line joining the midpoints of opposite sides are lines of [reflective] symmetry.
No.
Rectangles
They're sides may not be congruent.
Rectangles have all angles congruent,
Rectangular prism
A hexagonal prism.
Some of them (rectangles) do.