Which of the following solids have congruent bases.

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Cone

Cylinder

Prism

Pyramid

answer is B.

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Detailed Solution

Given four solids, we need to tell which of them have congruent bases.
We know that congruent base means when two bases of the solid are the same.
Since, cone is a 3D shape with bottom circular, body curved, and one apex.
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Cone has only one base.
Therefore, bases are not congruent.
We know that cylinder a 3D shape with top and bottom circular, curved body and no apex.
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In cylinder two circular bases (top and bottom) are present and both are same.
Therefore, the bases are congruent.
Prism is a 3D solid object in which the two ends are identical and prism is the combination of the flat faces, identical bases, and equal cross-sections.
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Prism have two triangular bases and both are identical.
Therefore, the bases are congruent.
Pyramid is a 3D shape and has a polygonal base, flat triangular faces and it is formed by connecting the bases to an apex.
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Pyramid has one polygonal base.
Therefore, the bases are not congruent.
Hence, options (2) and (3) are correct.

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