Question

if perimeter of rectangular room=40m, height=4m,what is the area of 4 walls of the room?

Answer 1

Answer:

Area of 4 wall room is 160 m^2

Answer 2

Given:- Perimeter of the rectangular floor:-40m

Height of the room:-4m

To find:- Area of the four walls or CSA of the room.

Solution:- We know that the CSA of a cuboid:- 2h(l+b)

or:- hx2(l+b)

Also, 2(l+b)= Perimeter of the rectangle. So,

CSA of Room:- hx40

:- 4x40

:- 160m^2

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HOPE I AM CLEAR.

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