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      Question

      The length of an edge of a cube is 3.5 cm. Find its

      total surface area.
      A 73.5 cm² Correct Answer Incorrect Answer
      B 36 cm² Correct Answer Incorrect Answer
      C 27 cm² Correct Answer Incorrect Answer
      D 154 cm² Correct Answer Incorrect Answer

      Solution

      Edge length = 3.5 cm Total Surface Area = 6 x side² Area of one face = (3.5)2 = 12.25 cm² Total Surface Area = 6 x 12.25 =73.5 cm²

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