Choose the correct option: “In a cube”

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All faces are identical

All faces are squares

All faces are identical squares

None of these

answer is C.

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Detailed Solution

Concept- To solve this question, we need to know about a cube and its geometric properties. A cube is generally a 3-D figure, built up of 2-D squares.
A cube is 3-D, standard geometric shape which consists of 6 identical squares as its 6 faces as shown in the diagram below;
Question Image

Figure A shows a square and we know that all 4 sides of a square are equal and congruent. Now, figure B is made up of 6 such squares as shown in figure A. Therefore, every face of a cube is an identical square, and every side of a cube is equal in length, and congruent with all other sides.
Hence, the correct answer is 3.

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