If it is 3d looking then it is a triangular prism
There is no such thing as a 3D triangle.
No.
No. A 3D triangle would be a triangular based pyramid.
triangle * * * * * A triangle is NOT a 3d shape! A cube.
A 3D triangle
A right angle triangle is a plane figure not a 3d one.
1
no.its a 3d shape of a triangle
There is no such thing as a 3d triangle. A 3d shape which has only equilateral triangular faces can be a tetrahedron which has 4 faces or an icosahedron which has 20.
Maybe a circle and a triangle, and indeed a straight line are not 3D.
What's a right angle triangle