Volumes Practice Test 1

Question : 12 of 40

Marks: +1, -0

The volume of a cuboid is twice the volume of a cube. If the dimensions of the cuboid be 9 cm, 8 cm and 6 cm, then find the total surface area of the cube.

72 $cm^2$
108 $cm^2$
216 $cm^2$
432 $cm^2$

Validate

Solution:

Here, volume of the cube =

{9×8×6}/{2}

= 216

cm^3

Side of the cube =

(216)^{1/3}

= 6

cm^3

Total sufrace area of the cube = 6 × 62 = 216

cm^2

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