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Three identical cubes of edge 3 cm are joined in a row to form a cuboid.
Find the total surface area of this cuboid.

Class 8Surface Area of Cuboid and CubeMensuration
  • A126 sq cm
  • B162 sq cm
  • C108 sq cm
  • D90 sq cm

Step-by-Step Solution

Cuboid is 9 cm 3 cm 3 cm. TSA = sq cm.
Answer: A) 126 sq cm

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