Because the sides of the rectangle are short, which make it weak. A square is strong because all sides are the same length. Do you understand?
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Rectangles can deform easily when force is applied diagonally, compared to shapes like triangles or arches that distribute stress more evenly. This is why triangles are often used in structures like bridges or buildings for added strength and stability.
A rectangle.... LOL * * * * * Why? It could be any polygon!
A rectangle by definition has four right angles, so it cannot be equilateral. An equilateral shape has all sides of equal length, which would make it a square or rhombus, but not a rectangle.
The triangle is the strongest geometric shape, but it's two-dimensional. Applying the idea (via cross bracing or the like) to construction is something that has been done for centuries. This is a simplified answer as the question is very general, but the application of a triangle or an angular tie to strengthen vertical elements and add rigidity to a structure is something that can be seen frequently.djsfjegythgeydgtryeg
A rectangle can't have volume because it is a 2D shape but if you mean a rectangular cuboid then it is 4*3*10 = 120 cubic feet
Plant cells typically have a square shape due to the presence of a rigid cell wall that maintains their structure. This square shape helps provide support and protection to the plant cell.