Question

18. The area of the 4 walls of a room is 77 m2. The length and breadth of the room are 7.5 m
and 3.5 m respectively. Find the height of the room.​

Answer 1

Answer:

3.5 m

Step-by-step explanation:

Let the height of the room be h. m

area of 4 walls of a room = 2(length+bredth)height

77 = 2(7.5 + 3.5) h m

77 = 2* 11 * h m

77 = 22h m

h = 77/22 m

h = 3.5 m

Hope you'll understand it.

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