Question

The surface area of cube is 1536cm.Find it's (1) Length of its edge (2) it's volume (3) the volume of material whose thickness is 5 mm


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Answer 1

Answer:

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}

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