1.

Find the surface area and volume of cube if one of the side is 9cm

Answer»
  • Volume of cube = a³ = (9 cm)³ = 729 cm³
  • T.S.A = 6 a² = 6 X 9² = 6 x 81 = 486 cm²
  • C.S.A  = 4 a² = 4 x 9² = 4 x 81 = 324 cm²

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