I believe it would have nine edges.
8
A 3D triangle, also known as a tetrahedron, has four corners, also referred to as vertices. Each vertex represents a point where the edges of the tetrahedron meet. In contrast, a 2D triangle has three corners.
A triangle has three sides or edges.
A triangle has three edges; a rectangle has four.
A triangle consists of three corners and three edges.
8
6
A Triangle.
A 3D triangle, also known as a tetrahedron, has four corners, also referred to as vertices. Each vertex represents a point where the edges of the tetrahedron meet. In contrast, a 2D triangle has three corners.
Six
A triangle has three sides or edges.
A triangle has three edges; a rectangle has four.
Three EdgesA triangle has three edges.
A triangle consists of three corners and three edges.
there are no curved edges on any triangle.
triangle
There are three straight edges in a triangle.