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Question
How many right angles are present at all corners of a cube?
How many right angles are present at all corners of a cube?
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Solution
The correct option is B 24
Consider a corner or vertex of a cube.
Three square faces meet at the vertex of a cube, where each square face makes a right angle at the vertex.
Thus, there are 3 right angles at one vertex of a cube.
A cube has 8 vertices in all. Thus, there are 8×3=24 right angles at all corners of a cube.
Consider a corner or vertex of a cube.
Three square faces meet at the vertex of a cube, where each square face makes a right angle at the vertex.
Thus, there are 3 right angles at one vertex of a cube.
A cube has 8 vertices in all. Thus, there are 8×3=24 right angles at all corners of a cube.
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