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Q: How do you know if a polygon is a polygon?

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If every side of the polygon is the same length, then it is a regular polygon. If the measure of every internal angle of a polygon is the same as every other, then it is a regular polygon. The two always go together, so you need to check only one of the above criteria.

It is a regular polygon when its sides are of equal length and its interior angles are of equal sizes

I can not tell you. It is because i do not know what shape the polygon is. You must tell me that first.

Only if you know what kind of polygon you have. If you know that you have a hexagon and one side is 1 cm, the perimeter is 6 cm. You only have to know the length of one side, since a regular polygon has equal sides. Perimeter or a regular polygon is the length of each side times the number of sides. You need to know both pieces to find the perimeter. ■

Divide the polygon into triangles. Calculate the areas of the triangles and then sum these.

Related questions

If it doesnt have 5 sides its not a polygon.

You know because the area is the distance inside a polygon and a perimeter is the distance outside a polygon.

its a 3-d trangle and i want to know if its a polygon or a polyhedron

A polygon is a shape that is closed with straight sides and the sides do not overlap like these. I don't know if an arrow is a polygon.

A non polygon is a shape that doesn't meet the requierments to be a polygon. In order to be a polygon, a shape must have no curved lines and must be a closed shape.

pent, 5, polygon, 5 sided polygon,....... i dont know?!

are you asking for the angle measure of an angle inside a polygon? Not sure what you want to know.

don't know but tell meplease

I have know idea that is why i am asking it so answer it

A tetragon (a polygon with four sides) is more commonly known as a quadrilateral.

Polygon! Polygon!

It is a regular polygon when its sides are of equal length and its interior angles are of equal sizes

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