Question

The perimeter of the floor of a room is 18m. What is the area of the walls of the room, if the height of the room is 3m

Answer 1

Answer :-

Area of walls of room:-

= 2h(l+b)

= 2×3(18)

= 108 ${m}^{2}$

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Answer 2

area of 4 walls of a room is

= perimeter of floor × height of the room

=18×3

=54m²