No. 1. A triangular prism has 9 edges and 5 faces. 2. A rectangular (not rectangler!) prism is shaped like a box and has 12 edges and 6 faces.
A rectangular prism has 6 sides.
There is no such word as "rectangler". Rectangular, on the other hand, is an adjective and without a related noun in the question it is impossible to answer. For example, there are different numbers of edges on a rectangular plane figure, a rectangular pyramid, a rectangular prism, a rectangular bipyramid.
a hexagonal prism has 8 faces!!!! * * * * * While that is true, the question is probably about a rectangular (rectangler!) prism. This is a cuboid, and has 6 faces.
there are 8 vertices.
Apart from the fact that the word is rectangular - not rectangler, it is necessary to know whether you mean a rectangular prism or a rectangular pyramid or something else.
The rectangular prism has 12 edges.
A triangular prism has 9 edges!
There are 30 edges on a decagonal prism.
A heptagonal prism has 20 edges.