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.
To know how many edges a pentagonal prism has, it does not matter what type of prism you are working with. Be straight or oblique, the number of edges will not change. Ways to count the edges of a pentagonal prism 1- First form . Since the bases of the pentagonal prisms are pentagons, then each base has five edges.