MathematicsCalculate the total surface area of the cuboid.

Calculate the total surface area of the cuboid.


  1. A
    171cm²
  2. B
    172cm²
  3. C
    173cm²
  4. D
    174cm² 

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    Solution:

    Total surface area of the cuboid 2×(lw+lh+hw)
    =2×(10×1+10×7+7×1)
    =2×(10+70+7)
    =2×87
    =174cm²
      So, option D is correct.
     

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