If you mean what shape has 3 sides, it's a triangle.
A triangle is a word meaning three sides.
No, an equilateral triangle is not a parallelogram. An equilateral triangle has three equal sides and three equal angles, while a parallelogram has four sides with opposite sides equal and parallel. The two shapes belong to different categories of polygons, with triangles having three sides and parallelograms having four.
An isosceles triangle.
A polygon.
it's a triangle (three sides) with two sides having equal lengths and angles
Having three sides.
A triangle having two sides does not exist. All triangles have three sides.
A triangle is a word meaning three sides.
A closed figure having three sides and three angles
Three sides and three angles having a sum of 1800
A triangle whose sides are curved outwards.
By definition, there is no such thing as a triangle with 100 sides. A triangle has exactly three (straight) sides; no more and no less. Having three sides means that the shape also has three internal angles and this explains the name.
equilateral triangle
Triangular means in the shape of a triangle: having three sides.
triangle
An isosceles triangle.
A polygon.