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Question

If the sum of all the edges of a cube is $$36cm$$, then the volume (in $${cm}^{3}$$) of that cube is


A
9
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B
27
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C
219
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D
729
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Solution

The correct option is B $$27$$
Total number of edges of cubes $$12$$
The sum of all the edges of a cube $$=36\,cm$$
The length of single edge of cube $$(a)=\dfrac{36}{12}=3\,cm$$
Volume of cube $$=a^3$$
                           $$=(3)^3$$
                           $$=27\,cm^3$$

Mathematics

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