An eqilateral triangle.
an equalateral triangle. im not sure if thats how you spell it.
Scalene has no equal sides or angles
a scalene triangle has no equal sides. an isosceles triangle has two equal sides
Isoseles triangle has two equal sides.
There is no specific name for a quadrangle with two equal sides.
It is usually a regular polygon that has equal sides.
The name for a triangle with two sides of equal length is an isosceles triangle.
Square. By definition, its sides must all be equal.
A Scalene triangle has no sides of equal length.
If it has four equal sides, it is a parallelogram. If the angles are also equal, it would be a square.
A regular pentagon has have equal sides. However, in the same way that a square has four equal sides but you can have a four sided figure with equal sides which is not a square, you can have pentagons that are not regular but do have equal sides. Unlike the quadrilateral, which is called a rhombus, there is no special name for a pentagon that has equal sides but not equal angles.
Triangles with three equal sides are called equilateral triangles.