An isosceles-triangle based prism.
When two squares share a common side, they can be combined to form a larger shape known as a rectangle. By aligning the shared side of the squares, the resulting shape will have two pairs of equal sides and four right angles. This new shape will have a different area and perimeter compared to the individual squares.
A cube has 3 pairs of congruent rectangle because it is made up of six squares ( squares are special types of rectangles, where all sides are equal ). However, not every rectangle is a square.
Draw a rectangle made with three squares. Then put a diagonal line through the center one. Tah-Dah
A cuboid.
circle based rectangle
A cube
rectangle
A tetramino is a shape which is formed by four identical squares.
...a cylinder...
A cube has 6 square faces
1 rectangle and 2 circle.
cylinder