,the surface area of a cube is 864cm , find the area of its base. Share with your friends Share 0 Neha Sethi answered this Dear student Surface area of cube=6a2⇒864=6a2⇒144=a2⇒a=12 cmWe know that area of the base of the cube=a2=122=144 cm2 Regards 0 View Full Answer Nitish Ram answered this 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 0 Vedant Kokate answered this 144 m^2 is the area of the base as all sides are equal we divide 864 m^2 by 6. 0