Question

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

Answer 1

Answer:

54

Step-by-step explanation:

perimeter of floor 2(l+b)

as  2(l+b)=18

   l+b=9

again

2h(l+b)=?

2*3*9=54

Answer 2

perimeter of floor = 2(l+b)

ie, 2(l+b)=18

= l+b=9

again, 2h(l+b)=?

2×3×9=54