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A pentagon is a 5 sided geometrical polygon whose 5 interior angles add up to 540 degrees.

A pentagon is not a rigid structure unless the angles of the pentagon are "reinforced" or "fixed" so that they can't change. The only naturally rigid shape is a triangle. That is why many structures such as bridges have girders arranged in triangle formations.

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Strictly speaking a pentagon is a two dimensional plane figure and rigidity is not a property of plane figures. A pentagonal three dimensional object may be rigid depending of the construction materials.

Q: Is a pentagon a rigid structure?

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This is a misguided question since a pentagon is NOT a rigid shape.

Is the "shape of a house" like a child's silhouette of a house? A horizontal base with vertical uprights at each end, and a roof consisting of two sloped lines. That is a pentagon and it is not a rigid shape. The only polygon that is rigid is a triangle.

Since there are five numbers given it is assumed that the figure in question is a pentagon. Unfortunately, a triangle is the only polygonal shape that is rigid. A pentagon, with all five sides of known lengths is not rigid - it can be flexed in the same way that a square can be flexed into a rhombus. The area of a rhombus can take any value from 0 up to the value of the square: the exact value is indeterminate. Similarly for a pentagon.

The military Pentagon is named after the geometric shape, the pentagon, due to its architectural structure. The Pentagon building itself is a five-sided polygon with five equal sides and five equal angles, representing a classic example of a pentagon shape in geometry. However, apart from its shape, there is no direct connection between the military Pentagon and the study of geometry.

Its from the greek word pente (πεντε) meaning five (5). Also the other part of pentagon is greek. It means ''angle''. Pentagon means (a structure) that has five angles.

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yes a pentagon is a rigid shape * * * * * I am afraid that it is not.

This is a misguided question since a pentagon is NOT a rigid shape.

No. A triangle is the only rigid polygon.

The difference between a structure that is rigid and one that is flexible is that the rigid structure will not bend or flex when force is applied. A structure that is rigid cannot flex.

An animal cell's structure is flexiable while a plants cell's structure is rigid

The cell wall is a rigid supporting structure.

There are two: the c double bonded to o parts and the ring structure.

Cell wall

cell wall

it was rigid and well defined.

it was rigid and well-defined

Because they are 80% water and have no rigid structure