The perimeter of one face of a cube is 32 cm. Find its total surface area
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here given that perimeter of square or face of cube = 32cm
we use
perimeter of square = 4×side
so,
32cm = 4×side
32cm÷4 = side
side = 8cm
so we get side = 8cm
put it in the formula of area of cube
that is
area of cube = 6× side^2
so we get
6×8cm×8cm=384cm^2
hence the total surface area of that cube is 384cm^2
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