• Q. :- A cube whose lenght a= 4 unit then find surface area of cube. Share to Whatsapp



  • We have a cube whose lenght is 4 unit then we find surface area of cube. first we find area of one face of cube that is a x a = 4 x 4 = 16
    There is six faces of cube. Sum of area of all faces of cube = Total surface area of cube.
    = a2 +a2 +a2 +a2 +a2 +a2
    So surface area of cube = 6 x 42 = 96 unit area

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