Find the volume and surface area of the cubes whose sides are:
(ii) 4.5 cm
(iii) 8 cm
(25 cm
(iv) 3.5 cm
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Step-by-step explanation:
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Step-by-step explanation:
(ii) a= 4.5 cm
Volume of cube =a³
= (4.5)³
= 91.125 cm³
Surface area of cube = 6a²
= 6× (4.5)²
=121.5 cm²
(iii) 8 cm
V. O. Cube = (8)³
= 512 cm³
S. A. O. Cube = 6× (8)²
= 384 cm²
(iv) 3.5 cm
V. O. Cube = (3.5)³
= 42.875 cm³
S. A. O. Cube = 6× (3.5)²
= 73.5 cm²
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