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MCQ
If the sum of all the edges of a cube is 36 cm, then the volume (in cm3) of that cube is
Options
9
27
219
729
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Solution
A cube has total 12 edges.
Let, a → edge of the cube
Sum of all the edges of the cube = 12a
36 = 12a
a = 3 cm
Volume of that cube,
V = a3
= 33
= 27 cm 3
Volume of the cube is 27 cm 3.
Concept: Surface Area of a Cuboid
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