Question
A 3×3 Rubik's cube has a total surface area of 54 cm2. The area occupied by every single red tile of the cube is ___________ .
Answer: Option B
:
B
Given,
Total surface areaof the cube =54cm2
We know that,
Cube has 6 number of faces.
Eachface of the Rubik's cube contains 9 tiles.
EachRubik's cube contains 9 red tiles.
∴Area of each face
=Totalsurfacearea of the cubeTotal numberof faces of the cube=546=9cm2
Now, area of each tile
=Areaof eachfaceTotalnumber of tilesineachface=99=1cm2
Hence, the area occupied by every single red tile of the cube is 1cm2.
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:
B
Given,
Total surface areaof the cube =54cm2
We know that,
Cube has 6 number of faces.
Eachface of the Rubik's cube contains 9 tiles.
EachRubik's cube contains 9 red tiles.
∴Area of each face
=Totalsurfacearea of the cubeTotal numberof faces of the cube=546=9cm2
Now, area of each tile
=Areaof eachfaceTotalnumber of tilesineachface=99=1cm2
Hence, the area occupied by every single red tile of the cube is 1cm2.
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