Six: top, bottom, two ends and two sides.
There are infinitely many such rectangles.
96 rectangles.
There are two pentagons and five rectangles.
The hexagonal prism has six sides that are rectangles.
2 triangles and 3 rectangles
Proteins many times line the outer surface of cells. These are used in diffusion and also provide support for the cell.
There are infinitely many such rectangles.
Increase the active surface area.
That depends on how big the rectangles are.
Rectangles and squares both have 4 corners.
4 rectangles
96 rectangles.
There are 15 rectangles.
2 triangles and 3 rectangles(:
There are 2025 rectangles in a 9x9 grid.
There are two pentagons and five rectangles.
The hexagonal prism has six sides that are rectangles.