Question

Two cubes each with 14 cm edge are joined face to face thus farming a cuboid What is the surface area of the resulting cuboid?

• A. 3528 $c{m}^2$
• B. 2352 $c{m}^2$
• C. 1960 $c{m}^2$
• D. 1568 $c{m}^2$

Answer 1

The correct option is C 1960 $c{m}^2$

The dimensions of the cuboid will be $28cm,14cm,14cm$

Total surface area of a cuboid $=2(l\times b+b\times h+l\times h)$

Hence, total surface area of the cuboid $=2(28\times 14+14\times 14+28\times 14)=1960sqcm$