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Find volume of cube whose total …

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Find volume of cube whose total surface area is 486cm²

    • Posted by Ru Jain 4 years, 2 months ago

    CBSE > Class 09 > Mathematics
    • 4 answers

    Suzanne Smitha 4 years, 2 months ago

    Surface area of cube = 6 edge^2486 486= 6edge^2 486/6 = edge^2 81 = edge^2 √81 = √edge^2 9 cm = edge  Volume = edge^3 = 9^3 = 9 x 9 x 9 = 729 cm cube

    0Thank You

    Pankaj Gautam 4 years, 2 months ago

    Edge =a Surface area =6a square =486cm square 6a square =486cm square a square =81 a= root 81 a=9cm Edge =9cm Volume =a cube =9cube =729cm cube

    1Thank You

    Gaurav Seth 4 years, 2 months ago

    Edge = a
    Surface area = 6a² = 486 cm²

    6a² = 486 cm²

    a² = 486 /6

    a² = 81

    a = √81

    a = 9 cm

    Edge = a = 9 cm

    Volume = a³ = 9³ = 729 cm³

    0Thank You

    @Hi®En″™ S~En 4 years, 2 months ago

    Is 0 a rational number

    3Thank You

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