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A triangle (not traingle) is a polygon. It can be a regular polygon but need not be.

Q: Is a traingle a regular polygon or a polygon?

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its a not regular polygon

a "regular" one

A regular polygon is a polygon whose sides are equal length and whose angles are all the same value. A non regular polygon is just the opposite of a regular polygon.

it seems to me that the only polygon of your description is a square

A triangle in general is just a polygon. An equilateral triangle is a regular polygon.

Related questions

Only when its an equilateral triangle then it is a regular polygon

It is not. The sum of all the interior angles is related to the number of sides but, unless the polygon is regular, each interior angles can have any value in the range (0, 360) degrees - the traingle being an exception where the maximum angle must be less than 180 degrees. There is nothing in the question that suggests that the polygon is regular and since only a minority of polygons are regular, you may not assume that it is a regular polygon.

A 6 sided hexagon polygon can be regular or irregular.

its a not regular polygon

a "regular" one

Equilateral Triangle - if that is what you mean

A regular polygon is a polygon whose sides are equal length and whose angles are all the same value. A non regular polygon is just the opposite of a regular polygon.

All the sides of a regular polygon have the same length. If two or more sides of a polygon have different lengths, then the polygon is not regular.

Yes, a regular polygon has all sides of equal length. An irregular polygon is any polygon that is not regular.

A trapezoid is not a regular polygon.

No a trapezoid is not a regular polygon

what is a regular polygon