Multiple choice

Two cubes, each of edge length 2 m, are joined together. The total surface area of the new formed cuboid will be

  1. 12 sq. m

  2. 40 sq. m

  3. 24 sq. m

  4. 20 sq. m

  5. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Length of the cuboid = 4 m Breadth of the cuboid = 2 m Height of the cuboid = 2 m Therefore, total surface area of the cuboid = 2 (lb + bh + hl) = 2 (4 X 2 + 2 X 2 + 2 X 4) = 2 (8 + 4 + 8) = 2 (20) = 40 sq. m