Question

What is the total area of the walls of a room
which is 6 m long, 5 m wide and 3 m high?​

Answer 1

Area Two walls are

= 2 × 5 × 3

= 30 m2

Area of other two walls:

= 2 × 6 × 3

= 48 m2

Total area = 48 + 30 m2

Thus area =
`\red{\bold{\boxed{78 {m}^(2)}}}`

Answer 2

I think it is 82m2

Tried my best