Question

find the total surface area of cuboid with dimension 5.6m × 4.2m × 2.1m.​

Answer 1

Answer:

88.2 cm²

Step-by-step explanation:

l = 5.6 m, w = 4.2 m,  h = 2.1 m

TSA of a cuboid = 2(lw+wh+hl)

                           = 2(5.6 * 4.2 + 4.2 * 2.1 + 2.1 * 5.6)

                           = 2(23.52 + 8.82 + 11.76)

                           = 2 * 44.1

                           = 88.2 cm²

Answer 2

Answer: 88.2 m

Step-by-step explanation:

l= 5.6m

b= 4.2m

h= 2.1 m

Total surface area of cuboid is = 2( lb + bh + lh)

Area = 2(5.6 × 4.2 + 4.2 × 2.1 + 5.6 × 2.1)m

Area = 2( 23.52+ 8.82+ 11.76)m

Area= 2 × 44.10m

Area= 88.20 m