the area of four walls of room is 168 metre square the breadth and height of a room are 10 M and 4 m find the length of room
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Let the length be x.
Then,
The area of the four walls of the room is
2h(l+b)
Atq,
2×4(x+10)=168
8x+80=168
8x=168-80
8x=88
x=88÷8
x=11
Therefore,
Length of a wall of the room is 11m.
Then,
The area of the four walls of the room is
2h(l+b)
Atq,
2×4(x+10)=168
8x+80=168
8x=168-80
8x=88
x=88÷8
x=11
Therefore,
Length of a wall of the room is 11m.
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