Question

The perimeter of floor of room is 40m and its height is 4m.Find the area of four walls of the room?
(WRONG ANSWERS WILL BE REPORTED)
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Answer 1

Answer:

Perimeter of a floor of room = 40m

Height is = 4m

Step-by-step explanation:

$40 \times 4 \\ 160m$

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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