4
no
Lets see 1, 2,3,4,5,6,7,8,9,10,11,12 12
A triangular prism has 9 edges!
A Pentagonal Prism has 15 edges.
8
None. A prism can have only straight edges.
12 edges
4
no
9
12
i think it have 12
Lets see 1, 2,3,4,5,6,7,8,9,10,11,12 12
There are 30 edges on a decagonal prism.
A heptagonal prism has 20 edges.
A rectangular Prism has 12 edges.