Question

# Which are prisms among the following?Nail Unsharpened pencil A box Both B and C

Solution

## The correct options are B Unsharpened pencil C A box D Both B and C A prism is a solid geometric figure whose two ends are congruent and parallel rectilinear figures and whose sides are parallelograms. Usually unsharpened pencil has two hexagonal ends and six lateral faces. A box has two rectangular ends and four lateral faces. A table calendar has two triangular ends and three lateral faces. So, these three are examples of the prism.

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