Question

Area of four walls of a room is 480 sq m and it's height is 6m. Find its perimeter.​

Answer 1

Answer:

118m

Step-by-step explanation:

Area of four walls of the room is: 2h(l+b)

A=2h(l+b)=2×3(8+5)=6×13=78 m

2

Area of the ceiling is:

A=l×b=8×5=40 m

2

Total area of the four walls and the ceiling of the room is 78+40=118 m

2