it can be a triangle that is right, acute, or obtuse
a triangle.
a triangle, or pentagon.
A triangle may or may not be a regular polygon. Let's look into things.First, a triangle is a polygon. All triangles are polygons. To be a regular polygon, the polygon must have equal sides. If the triangle has sides of equal length, then that triangle is an equilateral triangle and a regular polygon. If the triangle doesn't have sides of equal length, then it isn't a regular polygon. But in any case, the triangle is a polygon.
A right angle triangle or an obtuse triangle
It looks like a square with a triangle on top of it.
a triangle is a polygon
A triangle in general is just a polygon. An equilateral triangle is a regular polygon.
A 3 dimensional triangle is called a pyramid, otherwise a 2D three sided polygon shape is exactly what you called it, a triangle.
yes it is but it might look different and so it is an irregular triangle.
A triangle
A triangle is a polygon. An equilateral triangle is one in which all the sides are the same and all the angles are the same. Then it is a regular polygon.
A triangle is a 3 sided polygon