The polygon, as described in the question, is an equilateral polygon. If, in addition to this, all its angles have the same measure then the polygon is said to be regular. Polygons can be equilateral or equiangular or both (regular). The one exception is a triangle where equilateral implies (and is implied by) equiangular.
A two sided polygon is called a bigon, and it exists in spherical geometry. (the previous answerer said this: "a polygon has 3 or more sides retard idiot so how stupid can you be a polygon can not have 2 sides dumb*ss" - and I would advise him/her to shout at the mirror next time)
Such a polygon is said to be a "regular" polygon, meaning that all its sides are equal and all its angles are equal, so we have; equilateral triangle; square; pentagon; hexagon; heptagon;octagon;nonagon;decagon - to give but the first nine possibilities. The next one would have 11 equal sides and angles, and I don't know its name.
The length of the sides of an isosceles triangle are not set in stone. An isosceles triangle is defined as a triangle with at least two congruent sides. Equilateral triangles; that is, triangles in which all sides are of equal length are also considered to be isosceles triangles. Therefore, as long as at least two sides of the triangle are congruent, (Of equal length) said triangle is an isosceles triangle.
no it is not it only has 3 sides
No, it does not. A polygon is an enclosed plane area whose boundaries comprise straight lines. There is no requirement for the sides to be equal. If they are, the polygon is said to be equilateral.
A three-sided polygon is called a triangle. If two of the sides are of the same length, it is said to be an isosceles triangle.
A polygon is regular when all its sides are the same length and its internal angles are the same. It is said to be equilateral and equiangular, and that is what a polygon is when it is regular.
The polygon, as described in the question, is an equilateral polygon. If, in addition to this, all its angles have the same measure then the polygon is said to be regular. Polygons can be equilateral or equiangular or both (regular). The one exception is a triangle where equilateral implies (and is implied by) equiangular.
Correct on both counts
A polygon with all sides congruent is a square.
A giant ladybug!* * * * * Oh, that is soooo funny! The correct answer is equilateral. If all the angles are also congruent, then the polygon is said to be regular.
There is no such thing. I would say that a polygon, by definition, has a finite number of sides. That being said, as the number of sides in a REGULAR polygon increases, it becomes more and more similar to a circle.
A two-dimensional shape (polygon) is said to be "regular" (or equilateral) if all its sides are the same length and all its angles are the same angle. A regular pentagon, for example, has 72-degree angles on all five angles, and all its five sides are the same length.
If all three sides are equal in length, the triangle is said to be Equilateral.
A two sided polygon is called a bigon, and it exists in spherical geometry. (the previous answerer said this: "a polygon has 3 or more sides retard idiot so how stupid can you be a polygon can not have 2 sides dumb*ss" - and I would advise him/her to shout at the mirror next time)
Not necessarily. The sides and angles can be the same, or different. If all angles in a polygon are congruent (same measure) and all sides are congruent, then the polygon is said to be a "regular polygon". In the special case of a triangle, it is also known as an "equilateral triangle", and in the special case of a 4-sided polygin, as a "square".