small bathrooms. i have kind of a similar fear, but I'm really only scared of small bathrooms, or monochromatic ones or ones with labels and directions as to what to do (like airplane or cruise ship bathrooms) I hate flying because of my fear, and always avoid airplane bathrooms.
A rectangular prism is solid 3-dimensional object which has six  faces that are rectangles. It has 12 edges and 8 vertices.
(i) Faces of a Triangular Prism: A triangular prism has 2 triangular faces and 3 rectangular faces. In the given figure, 2 triangular faces are âABC and âDEF, 3 rectangular faces are ABED, ADFC and CBEF. (ii) Vertices of a Triangular Prism: A triangular prism has 6 vertices.