1.

Which are prisms among the following?

Answer»

We know that a prism is a polyhedron whose base and top are congruent polygons and lateral faces are parallelogram. Therefore, 

(i) A nail is not a prism. 

(ii) An unsharpened pencil is a prism. 

(iii) A table weight is not a prism. 

(iv) A box is a prism.



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