,the surface area of a cube is 864cm ​,  find the area of its base.

Dear student
Surface area of cube=6a2864=6a2144=a2a=12 cmWe know that area of the base of the cube=a2=122=144 cm2

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As all the sides of the cube is the same, the area of the faces will also be the same, so the area of its base is 864
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144 m^2 is the area of the base as all sides are equal we divide 864 m^2 by 6.
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