find the volume, lateral surface area and total surface area of a cube each of whose sides measures 8 cm.
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2
Answer:
Side = 8 cm . C.S.A = 4 x 8 x 8 = 256 cm square . T.S.A = 6 x 8 x 8 =384 cm square. volume = 8 x 8 x 8 = 512 cm cube.
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7
Solution-
Length of each edge of the cube, a = 8 cm.
(i) Volume of the cube
= a³ cubic units.
= (8 × 8 × 8) cm³
= 512 cm³.
(ii) Lateral surface area of the cube
= 4a² sq units.
= (4 × 8 × 8) cm²
= 256 cm².
(iii) Total surface area of the cube
= 6a² sq units
= (6 × 8 × 8) cm²
= 384 cm².
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