Asked by Anonymous

a wallpaper 312 m long and 25 cm wide is required to cover the walls of a room. length of the room is 7 m and its breadth is twice its height. determine the height of the room.
Answered by oobleck
The area of the walls is the perimeter times the height.
2(7 + 2h)h = 312 * 0.25
Now solve for h
Answered by Kapil
Hard
Answered by Op bhai
2(7+2h) h=78
Find it😊
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