The surface area of a cube is 1536 cm2. find: (1) the length of its edge, (2) its volume, (3) the volume of its material whose thickness is 5mm.
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Answered by
101
let edge length is 'a', so as per given data
6 a^{2}=1536cm ^{2}
=> a= 16cm
volume = a^{3}
=4096 cm^{3}
convert mm to cm i.e 5mm = 0.5cm
volume of the material used= 6x 1536x0.5cm
=4608 cm^{3}
6 a^{2}=1536cm ^{2}
=> a= 16cm
volume = a^{3}
=4096 cm^{3}
convert mm to cm i.e 5mm = 0.5cm
volume of the material used= 6x 1536x0.5cm
=4608 cm^{3}
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