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प्रश्न
A cube is a three-dimensional figure as shown in the given figure. It has six faces and all of them are identical squares. The length of an edge of the cube is given by l. Find the formula for the total length of the edges of a cube.
उत्तर
Length of edge = l
Number of edges = 12
Total length of the edges = Number of edges × Length of one edge
= 12l
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