Which are prisms among the following?
(i) 
(ii) 
(iii) 
(iv) 
(i) It is not a polyhedron as it has a curved surface. Therefore, it will not be a prism also
(ii) It is a prism
(iii) It is not a prism. It is a pyramid
(iv) It is a prism
4
Which are prisms among the following?
(i)
(ii)
(iii)
(iv)
(i) It is not a polyhedron as it has a curved surface. Therefore, it will not be a prism also
(ii) It is a prism
(iii) It is not a prism. It is a pyramid
(iv) It is a prism